ford transmission troubleshooting code guide

8/3/2019 Ford Transmission Troubleshooting Code Guide

1/25

The E40D and 4R100 codes are for gas and diesel for 1996 - 2003 E and F-seriesSuper Duty

(250 350 450 550). In 2004 they changed to a 5R110 transmission and the codes are different.The codes for 4R70W and 4R75w are for F-150 and E-150 1996- 2006.

Diagnostic Trouble Code Chart E4OD- 4R100

FiveDigit

DTC Component Description Condition Symptom Action

P0102P0103

P1100P1101

MAFMAF

concerns

MAF systemhas a

malfunction

which maycause a

transmission

concern.

High or lowEPC pressure,

incorrect shift

schedule.

Incorrecttorque

converter

clutchengagement

scheduling.

Symptoms

similar to athrottle

position (TP)

failure.

WIRING OR MAP

SENSOR

P0117 ECT

ECT indicates

125C

(257F)

Voltage drop

across ECTexceeds scale

set for

temperature

125C

(257F)

(grounded).

Torque

converter

clutch willalways be off,resulting in

reducedfuel

economy.

WIRING OR ECTSENSOR

P0118 ECT

ECT indicates

-40C (-

40F)

Voltage drop

across ECT

exceeds scaleset for

temperature -

40C (-

40F)

(open

circuit).

Torque

converter

clutchwill

always be off,

resulting inreduced fuel

economy.

WIRING OR ECT

SENSOR

P0122P0123

P1120

TP TP concernPCM hasdetected an

error that

Harshengagements,

firm shift feel,

WIRING OR TP SENSOR
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2/25

may cause atransmission

concern.

abnormal shiftschedule,

torque

converterclutch does not

engage, torqueconverterclutch cycling.

P1702 Digital TR

IntermittentDTC codes

P0705 or

P0708

Refer to DTCcodes P0705

or P0708

condition.

Refer to DTCcodes P0705 or

P0708

symptom.

WIRING OR DIGITAL TR

SENSOR

P1704 Digital TR

Digital TR

circuit readingin between

gear positionduringKOEO/KOER

Digital TR

sensor or

shift cableincorrectly

adjusted; ordigital TRcircuit

failure.

Wrong

commanded

EPC pressure.

Digital TRreading the

wrong gear

position.


SENSOR

P0705 Digital TRDigital TRcircuit failure

Digital TR

circuits,

indicating aninvalid

pattern in

TR_D.

Conditioncaused by a

short to

ground or anopen in TR4,

TR3A, TR2

and or TR1circuits. This

DTC cannot

be set by an

incorrectlyadjusted

digital TR

sensor.

Increase in

EPC pressure(harsh shifts).Defaults to (D)

or D for all

gear positions.In (D) position

trans, stuck in

D or manual 2.

WIRING OR DIGITAL TRSENSOR

P0708 Digital TRDigital TRsensor circuit

TR3A open

Digital TR

sensor circuitTR3A

reading 2.6v

- 5.0v (open

Increase in

EPC pressure.Defaults to (D)

or D for all

gear ranges.


SENSOR


3/25

circuit). ThisDTC cannot

be set by an

incorrectlyadjusted

digital TRsensor.

P1705 Digital TR

Digital TR

self test was

not carriedout in PARK

orNEUTRAL

Vehicle not

in PARK orNEUTRAL

during on-

board

diagnostic.

Rerun on-boarddiagnostic in

PARK or

NEUTRAL.


SENSOR

P0715 TSS

Insufficient

input fromturbine shaft

speed sensor

PCMdetected a

loss of TSSsignal duringoperation.

Harsh shifts,

harsh torqueconverter

clutchactivation andharsh

engagements.

WIRING OR TSSSENSOR

P0717 TSS

Turbine shaft

speed sensor

signalintermittent

PCM has

detected an

intermittentTSS signal.

Harsh shifts,

harsh torque

converterclutch

activation and

harsh

engagements.

WIRING OR TSS

SENSOR

P0718 TSS

Turbine shaft

speed sensor

signal noisy

PCM has

detected anoisy TSS

signal.

Harsh shifts,

harsh torqueconverter

clutch

activation andharsh

engagements.

WIRING OR TSSSENSOR

P0720 OSS

Insufficientinput from

output shaft

speed sensor

PCM

detected a

loss of OSSsignal during

operation.

Harsh shifts,

abnormal shift

schedule, no

torqueconverter

clutch

activation.

WIRING OR OSS

SENSOR

P0721 OSSOSS sensorsignal noisy

PCM has

detected anerratic OSS

signal.

Harsh shifts,

abnormal shiftschedule, no

torque

WIRING OR OSSSENSOR
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4/25

converterclutch

engagement.

P0722 OSS wiringInsufficientinput from

OSS

PCM hasdetected a

loss of OSSsignal.

Harsh shifts,

abnormal shift

schedule, notorque

converter

clutchengagement.

WIRING OR OSS

SENSOR

P0731SSA, SSBor internal

parts

1st gear error No 1st gear.

Incorrect gearselection,

depending on

failure or mode

and manuallever position.

Shift errorsmay also bedue to other

internal

transmissionconcerns (stuck

valves,

damaged

frictionmaterial).

Engine rpm

could be higheror lower than

expected.

PTS HYDROSYSTEM IFTHERE IS LOTS OF

DEBRIS IN PAN YOU

WILL NEED PTS KITAND PTS BILLET

TORQUE CONVERTER


parts

2nd gear error No 2nd gear.

Incorrect gear

selection,

depending onfailure or mode

and manual

lever position.

Shift errorsmay also be

due to other

internal


valves,

damagedfriction


DEBRIS IN PAN YOU

WILL NEED PTS KITAND PTS BILLETTORQUE CONVERTER
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5/25

material).Engine rpm

could be higher

or lower thanexpected.


parts

3rd gear error No 3rd gear.


depending on

failure or modeand manual

lever position.

Shift errors

may also bedue to other

internal

transmission

concerns (stuckvalves,

damaged

frictionmaterial).

Engine rpm


expected.


DEBRIS IN PAN YOU

WILL NEED PTS KIT

AND PTS BILLETTORQUE CONVERTER

P0734

SSA, SSB

or internal

parts

4th gear error No 4th gear.

Incorrect gear

selection,


and manual

lever position.


due to other

internaltransmission

concerns (stuck

valves,

damagedfriction

material).

Engine rpmcould be higher

or lower than

expected.

PTS HYDROSYSTEM IF

THERE IS LOTS OF

DEBRIS IN PAN YOUWILL NEED PTS KIT

AND PTS BILLET

TORQUE CONVERTER


6/25

P0741**

TCC,

internalcomponents

TCC slippagedetected

The PCM

picked up an

excessiveamount of

slippageduringnormal

vehicle

operation.

TCCslippage/erratic

or no torque

converterclutch

operation.FlashingTransmission

Control

Indicator Lamp(TCIL).

PTS BILLET TORQUE

CONVERTOR AND PTS

HYDROSYSTEM. IFTHERE IS LOTS OF

DEBRIS IN PAN YOU

WILL NEED PTS KIT

P0743*TCC,

wiring,

PCM

TCC solenoid

circuit failureduring on-

board

diagnostic

TCC

solenoidcircuit fails

to provide

voltage drop

acrosssolenoid.

Circuit open

or shorted orPCM driver

failure during

on-boarddiagnostic.

Short circuit:

engine stalls insecond (OD, 2

range) at low

idle speeds

with brakeapplied.

Open circuit:

torqueconverter

clutch never

engages. Mayflash TCIL.

WIRING OR PTSHYDROSYSTEM

P0750*

SSA,

wiring,PCM

SSA solenoid

circuit failure

SSA circuitfailed to

provide

voltage dropacross

solenoid.

Circuit open


failure during

on-boarddiagnostic.

Incorrect gear

selectiondepending on

condition mode

and manual

lever position.See Solenoid

On/Off Chart.

WIRING OR PTS

HYDROSYSTEM

P0753

SSA,

wiring,PCM

SSA electrical

failure

SSA circuitfails to

provide

voltage drop

acrosssolenoid.

Circuit open


Incorrect geardepending on

condition mode

and manual


On/Off Chart.

May flashTCIL.

WIRING OR PTS

HYDROSYSTEM
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7/25

failure duringon-board

diagnostic.

P0755*

SSB,

wiring,

PCM

SSB solenoidcircuit failure

SSB circuit

fails to

providevoltage drop

across

solenoid.Circuit open

or shorted or

PCM driver


diagnostic.

Incorrect gearselection

depending on

condition modeand manual

lever position.

See Solenoid

On/Off Chart.


P0758*

SSB,

wiring,

PCM

SSB electricalcircuit failure

SSB circuit

fails toprovidevoltage drop

across

solenoid.Circuit open

or shorted or

PCM driver


diagnostic.

Incorrect gear

depending on


lever position.

See SolenoidOn/Off Chart.

May flash

TCIL.


P1714SSA,

internal

components

SSA

malfunction

Mechanical

failure of the

solenoiddetected.

Incorrect gear

selection

depending oncondition,

mode and

manual leverposition. See

Solenoid

Operation

Chart.

PTS HYDROSYSTEM

P1715 SSBSSB

malfunction

Mechanical

failure of the

solenoiddetected.

Incorrect gearselectiondepending on

condition,

mode andmanual lever

position. See

Solenoid

PTS HYDROSYSTEM


8/25

OperationChart.

P0781**

SSA or

internalparts

1-2 shift error

Engine rpmdrop not

detected

when 1-2shift was

commanded

by PCM.

Incorrect gear

selection

depending on


lever position.


due to other

internal


valves,

damaged

frictionmaterial).

PTS HYDROSYSTEM IF

THERE IS LOTS OFDEBRIS IN PAN YOU

WILL NEED PTS KIT

AND BILLET TORQUE

CONVERTER

P0782**

SSA, SSB

or internal

parts

2-3 shift error

Engine rpm

drop not

detected

when 2-3

shift wascommanded

by PCM.

Incorrect gear

selection


and manual

lever position.


due to other


concerns (stuck

valves,

damagedfriction

material).

PTS HYDROSYSTEM. IF


WILL NEED PTS KIT

AND BILLET TORQUECONVERTER

P0783**

SSA, SSB

or internal

parts

3-4 shift error

Engine rpmdrop not

detected

when 3-4

shift wascommanded

by PCM.

Incorrect gear

selection


and manual

lever position.


due to other


PTS HYDROSYSTEM. IF

THERE IS LOTS OFDEBRIS IN PAN YOUWILL NEED PTS KIT

AND BILLET TORQUE

CONVERTER


9/25

concerns (stuckvalves,

damaged

frictionmaterial).

P1703 BPPBPP switch

circuit failed

Brake

ON/OFF

circuitfailure.

Failed on ornot connected

" torque

converterclutch will not

engage at less

than 1/3

throttle. Failed

off or not

connected"

torqueconverterclutch will not

disengage

when brake isapplied.

WIRING OR BPP

SWITCH

P1703 BPP

Brake not

actuatedduring on-

board

diagnostic

Brake notcycled during

KOER.

Failed off ornot connected

" torque

converter

clutch will notengage at less

than 1/3

throttle. Failed

off or not

connected"

torque

converter

clutch will notdisengage

when brake is

applied.

WIRING OR BPP

SWITCH

P0713

TFT,

wiring,PCM

-40C (-

40F)

indicated TFTsensor circuit

open

Voltage drop

across TFTsensor

exceeds scaleset fortemperature -

Firm shift feel.WIRING OR TFT

SENSOR


10/25

40C (-

40F).

P1711 TFTTFT out ofon-board

diagnostic

range

Transmissionnot at

operatingtemperatureduring on-

board

diagnostic.

Warm vehicleto normal

operating

temperature.

P0712

TFT,

wiring,

PCM

157C

(315F)

indicated TFT

sensor circuitgrounded

Voltage drop

across TFT

sensorexceeds scale

set for

temperature

of 157C

(315F).

Firm shift feel.WIRING OR TFTSENSOR

P1713TFT wiring

PCM

TFTcontinually

reading cold

TFT sensorin range low

failure.

Firm shift feel.Substitute ECT

for TFT

WIRING OR TFT

SENSOR

P1783 TFT

Transmission

overtemperature

conditionindicated

Transmission

fluid

temperature

exceeded

C

(270F).

Increase in

EPC pressure.

WIRING OR TFTSENSOR CLOGGED

COOLER

P1718TFT,

wiring,

PCM

TFTcontinually

reading hot

TFT sensorin range high

failure.


for TFT.

WIRING OR TFT

SENSOR

P0740TCC,

wiring,

PCM

TCCelectrical

failure

TCC circuit

fails to

providevoltage drop

across

solenoid.Circuit open,shorted or

PCM driver


diagnostics.

Short circuit,

engine stalls in

2nd ((D), 2range) at low

speeds with

brake applied.Open circuit,torque

converter

clutch neverengages. May

flash TCIL.


11/25

P1740 TCC TCCmalfunction

Mechanical

failure of thesolenoid

detected.

Failed on"

Engine stalls in

2nd (O/D,

Manual 2ranges) at low

idle speeds

with brake

applied. Failed

off" Torque

converter never

applies.

PTS HYDROSYSTEM. IF

THERE IS LOTS OF


AND BILLET TORQUE

CONVERTER

P1741**

TCC,

internalcomponents

Excessive

torqueconverter

clutchengagementerror

Excessive

variations in

slip (enginespeed surge)

across thetorqueconverter

clutch.

Engine rpmoscillation is

present in 3rdgear.

PTS

HYDROSYSTEM,BILLETTORQUE CONVERTOR.

IF THERE IS LOTS OFDEBRIS IN PAN YOUWILL NEED PTS KIT

P1742TCC,

internal

components

TCC solenoid

failed on

TCC

solenoid has

failed on byelectric,

mechanical

or hydraulic

concern.

Harsh shifts.

PTSHYDROSYSTEM,BILLET

TORQUE CONVERTOR.

IF THERE IS LOTS OF


P1743

TCC,

internal

components

TCC solenoidfailed on

TCC

solenoid hasfailed on by

electric,

mechanicalor hydraulic

concern.

Harsh shifts.

PTS

HYDROSYSTEM,BILLET

TORQUE CONVERTOR.IF THERE IS LOTS OF

DEBRIS IN PAN YOU

WILL NEED PTS KIT

P1744 TCC TCC

The PCM

picked up an

excessive

amount ofTCC

slippage

duringnormal

vehicle

operation.

TCC

slippage/erraticor no torque

converter

clutchoperation.

PTS

HYDROSYSTEM,BILLETTORQUE CONVERTOR.

IF THERE IS LOTS OF


P1746* EPC, EPC solenoid Voltage Open circuit WIRING OR SUPER


12/25

P0960 wiring,PCM

open circuit through EPCsolenoid is

checked. An

error will benoted if

tolerance isexceeded.

causesmaximum EPC

pressure, harsh

engagementsand shifts.

SOLENOID

P1747*

P0962

EPC,

wiring,

PCM

EPC solenoidcircuit failure,

shorted circuit

or output

driver

Voltagethrough EPC

solenoid is

checked. An

error will benoted if

tolerance is

exceeded.

Short circuit

causesminimum EPC

pressure

(minimum

capacity) andlimits engine

torque

(alternate

firm).

WIRING OR SUPER

SOLENOID

P1760

EPC,

wiring,

PCM

EPC solenoidcircuit failure,

shorted circuit

or outputdriver

PCMdetected a

loss of EPC

duringoperation.

Unexpected

reduction in

engine torque.

WIRING OR SUPERSOLENOID.

P178114x4 Low

switch

4x4 Low

switch closed

4x4 Lowswitch closed

or 4x4 Low

indicatorlamp circuit

open.

Failed on"

early shiftschedules in

4x2 and 4x4 HI

range. Failedoff" shifts

delayed in 4x4

Low.1

WIRING OR 4X4

SWITCH

P0748** EPCsolenoid EPC solenoidcircuit failure

Voltage

through EPC

solenoid is

checked. Anerror will be

noted if


Short circuit

results in

minimum EPCpressure

(minimum

capacity) and

limits enginetorque

(alternate

firm). Not allgears present.

Open circuit:

maximum PCA pressure,

WIRING OR SUPERSOLENOID.


13/25

harshengagements

and shifts.

P1729 4x4 Low 4x4 Lowswitch failure

4x4 Low

switch failure

duringnormal

vehicle

operation.

Early shifts,

harsh shifts,

increase inelectronic

pressure

control valve.

WIRING OR 4X4SWITCH

P1728 TransTransmission

slip error

The PCM has

detected anexcessive

amount of

slippage

duringnormal

operation.

Transmissionslippage erratic

or no torque

converter

clutchoperation.

COMPLETETRANSMISSION

FAILIER

Diagnostic Trouble Code Chart 4R70-75W

Five

Digit

DTC Component Description Condition Symptom Action

P0102

P0103P1100

P1101

MAFMAFconcerns

MAF system

has amalfunction

which may

cause atransmission

concern.

High or low

EPC pressure,incorrect shift

schedule.

Incorrect

torqueconverter

clutch

engagementscheduling.

Symptoms

similar to a

throttleposition (TP)

failure.

WIRING OR MAPSENSOR

P0117 ECT

ECT indicates

125C

(257F)

Voltage drop

across ECT


temperature

125C

(257F)

Torqueconverter

clutch will

always be off,resulting in

reduced fuel

economy.

WIRING OR ECT

SENSOR


14/25

(grounded).

P0118 ECT

ECT indicates

-40C (-

40F)

Voltage dropacross ECT

exceeds scale

set for

temperature -

40C (-

40F)

(open

circuit).

Torqueconverter

clutch willalways be off,resulting in

reduced fuel

economy.

WIRING OR ECTSENSOR

P0122

P0123P1120

TP TP concern

PCM hasdetected an

error thatmay cause a

transmissionconcern.

Harsh

engagements,firm shift feel,

abnormal shift

schedule,

torqueconverter

clutch does not

engage, torqueconverter

clutch cycling.

WIRING OR TP SENSOR

P1702 Digital TR

IntermittentDTC codes

P0705 or

P0708

Refer to DTCcodes P0705

or P0708

condition.

Refer to DTCcodes P0705 or

P0708

symptom.


SENSOR

P1704 Digital TR

Digital TR

circuit reading

in between

gear positionduring

KOEO/KOER

Digital TRsensor or

shift cable

incorrectly

adjusted; ordigital TR

circuit

failure.

WrongcommandedEPC pressure.

Digital TR

reading the

wrong gearposition.


SENSOR

P0705 Digital TRDigital TR

circuit failure

Digital TR

circuits,indicating an

invalidpattern in

TR_D.Condition

caused by a

short toground or an

open in TR4,

Increase inEPC pressure

(harsh shifts).Defaults to (D)

or D for allgear positions.

In (D) position

trans, stuck inD or manual 2.


SENSOR


15/25

TR3A, TR2and or TR1

circuits. This

DTC cannotbe set by an

incorrectlyadjusteddigital TR

sensor.

P0708 Digital TRDigital TRsensor circuit

TR3A open

Digital TR

sensor circuit

TR3A

reading 2.6v- 5.0v (open

circuit). This

DTC cannot

be set by anincorrectly

adjusted

digital TRsensor.

Increase in

EPC pressure.Defaults to (D)

or D for all

gear ranges.


SENSOR

P1705 Digital TR

Digital TRself test was

not carried

out in PARK

or NEUTRAL

Vehicle not

in PARK or

NEUTRAL

during on-board

diagnostic.

Rerun on-board

diagnostic in

PARK orNEUTRAL.


SENSOR

P0715 TSS

Insufficient

input from

turbine shaftspeed sensor

PCM

detected aloss of TSS

signal during

operation.

Harsh shifts,

harsh torque

converterclutch

activation and

harshengagements.

WIRING OR TSS

SENSOR

P0717 TSS

Turbine shaft

speed sensor

signalintermittent

PCM has

detected an

intermittentTSS signal.

Harsh shifts,harsh torque

converter

clutchactivation andharsh

engagements.

WIRING OR TSS

SENSOR

P0718 TSSTurbine shaftspeed sensor

signal noisy

PCM has

detected a

noisy TSSsignal.

Harsh shifts,

harsh torque

converterclutch

WIRING OR TSS

SENSOR


16/25

activation andharsh

engagements.

P0720 OSSInsufficientinput from

output shaftspeed sensor

PCM

detected aloss of OSS

signal during

operation.

Harsh shifts,

abnormal shift

schedule, notorque

converter

clutchactivation.

WIRING OR OSS

SENSOR

P0721 OSSOSS sensor

signal noisy

PCM hasdetected an

erratic OSS

signal.

Harsh shifts,abnormal shift

schedule, no

torque

converterclutch

engagement.

WIRING OR OSS

SENSOR

P0722 OSS wiringInsufficientinput from

OSS

PCM has

detected a

loss of OSSsignal.

Harsh shifts,

abnormal shift

schedule, notorque

converter

clutchengagement.

WIRING OR OSS

SENSOR


parts

1st gear error No 1st gear.




Shift errors


internal


valves,

damagedfrictionmaterial).

Engine rpm


expected.


DEBRIS IN PAN YOU


TORQUE CONVERTER

P0732 SSA, SSB 2nd gear error No 2nd gear. Incorrect gear PTS HYDROSYSTEM IF


17/25

or internalparts

selection,depending on

failure or mode


Shift errorsmay also bedue to other

internal


valves,

damaged

frictionmaterial).

Engine rpm

could be higheror lower thanexpected.


WILL NEED PTS KIT

AND PTS BILLETTORQUE CONVERTER


parts

3rd gear error No 3rd gear.


depending on


lever position.

Shift errors

may also be

due to otherinternal


valves,

damagedfriction

material).


or lower than

expected.

PTS HYDROSYSTEM IF



TORQUE CONVERTER


parts

4th gear error No 4th gear.

Incorrect gear

selection,


and manual

lever position.Shift errors


DEBRIS IN PAN YOU


TORQUE CONVERTER


18/25


internal


valves,damagedfriction

material).


or lower than

expected.

P0741**

TCC,

internal

components

TCC slippage

detected

The PCM

picked up an

excessiveamount of

slippage

duringnormal

vehicle

operation.

TCC

slippage/erratic

or no torque

converterclutch

operation.

FlashingTransmission

Control

Indicator Lamp(TCIL).

PTS BILLET TORQUE

CONVERTER AND PTSHYDROSYSTEM. IF

THERE IS LOTS OF


P0743*

TCC,

wiring,

PCM

TCC solenoid

circuit failure

during on-

boarddiagnostic

TCCsolenoid

circuit fails

to providevoltage drop

across

solenoid.

Circuit openor shorted or

PCM driver


diagnostic.

Short circuit:engine stalls in

second (OD, 2

range) at lowidle speeds

with brake

applied.

Open circuit:torque

converter

clutch neverengages. May

flash TCIL.


P0750*

SSA,

wiring,

PCM

SSA solenoidcircuit failure

SSA circuit

failed to

provide

voltage dropacross

solenoid.

Circuit openor shorted or

Incorrect gear

selection

depending on


lever position.




19/25

PCM driverfailure during

on-board

diagnostic.

P0753

SSA,

wiring,PCM

SSA electrical

failure

SSA circuit

fails toprovide

voltage drop

acrosssolenoid.

Circuit open

or shorted or


on-board

diagnostic.

Incorrect gear

depending oncondition mode

and manual


On/Off Chart.

May flash

TCIL.

WIRING OR PTS

HYDROSYSTEM

P0755*

SSB,

wiring,PCM

SSB solenoid

circuit failure

SSB circuitfails toprovide

voltage drop

acrosssolenoid.

Circuit open

or shorted or


on-board

diagnostic.

Incorrect gear

selection


and manual

lever position.


WIRING OR PTS

HYDROSYSTEM

P0758*

SSB,

wiring,

PCM

SSB electrical

circuit failure

SSB circuit

fails toprovide

voltage drop

acrosssolenoid.

Circuit open

or shorted or


on-board

diagnostic.

Incorrect gear


and manual

lever position.


May flash

TCIL.

WIRING OR PTS

HYDROSYSTEM

P1714SSA,

internal

components

SSA

malfunction

Mechanical

failure of the

solenoid

detected.

Incorrect gear


condition,

mode and

PTS HYDROSYSTEM


20/25

manual leverposition. See

Solenoid

OperationChart.

P1715 SSBSSB

malfunction

Mechanicalfailure of the

solenoid

detected.

Incorrect gearselection

depending on

condition,mode and

manual lever

position. See

SolenoidOperation

Chart.

PTS HYDROSYSTEM

P0781**SSA orinternal

parts

1-2 shift error

Engine rpm

drop not

detectedwhen 1-2

shift was

commanded

by PCM.

Incorrect gear

selectiondepending onfailure or mode

and manual


may also be

due to other


concerns (stuck

valves,damaged

friction

material).

PTS HYDROSYSTEM. IFTHERE IS LOTS OF

DEBRIS IN PAN YOU

WILL NEED PTS KIT

AND BILLET TORQUECONVERTER

P0782**

SSA, SSB

or internalparts

2-3 shift

error

Engine rpmdrop not

detected

when 2-3shift wascommanded

by PCM.

Incorrect gear


failure or mode

and manual


may also be

due to other


concerns (stuck

valves,damaged

PTS HYDROSYSTEM. IF


WILL NEED PTS KIT

AND BILLET TORQUE

CONVERTER


21/25

frictionmaterial).

P0783**

SSA, SSB

or internalparts

3-4 shift error

Engine rpmdrop not

detected

when 3-4shift was

commanded

by PCM.

Incorrect gear

selection

depending on


lever position.


due to other

internal


valves,

damaged

frictionmaterial).

PTS HYDROSYSTEM. IF


WILL NEED PTS KIT

AND BILLET TORQUE

CONVERTER

P1703 BPPBPP switch

circuit failed

Brake

ON/OFF

circuitfailure.

Failed on or

not connected

" torque

converterclutch will not

engage at less

than 1/3

throttle. Failed

off or notconnected"

torqueconverter

clutch will not

disengage

when brake isapplied.

WIRING OR BPP

SWITCH

P1703 BPP

Brake notactuated

during on-

boarddiagnostic

Brake not

cycled during

KOER.

Failed off or

not connected

" torqueconverter

clutch will notengage at less

than 1/3

throttle. Failedoff or not

WIRING OR BPPSWITCH


22/25

connected"

torque

converter

clutch will notdisengage

when brake is

applied.

P0713

TFT,

wiring,

PCM

-40C (-

40F)

indicated TFT

sensor circuitopen

Voltage drop

across TFTsensor

exceeds scale

set for

temperature -

40C (-

40F).


SENSOR

P1711 TFT

TFT out ofon-board

diagnostic

range

Transmissionnot at

operating

temperatureduring on-

board

diagnostic.

Warm vehicleto normal

operating

temperature.

P0712TFT,

wiring,

PCM

157C

(315F)

indicated TFT

sensor circuitgrounded

Voltage drop

across TFT

sensor


temperature

of 157C

(315F).


SENSOR

P1713TFT wiring

PCM

TFTcontinually

reading cold

TFT sensorin range low

failure.


for TFT

WIRING OR TFT

SENSOR

P1783 TFT

Transmission

overtemperature

condition

indicated

Transmission

fluid

temperature

exceeded

C

(270F).

Increase in

EPC pressure.

WIRING OR TFTSENSOR CLOGGED

COOLER

P1718TFT,

wiring,TFTcontinually

TFT sensorin range high


WIRING OR TFTSENSOR


23/25

PCM reading hot failure. for TFT.

P0740

TCC,

wiring,PCM

TCC

electricalfailure

TCC circuitfails to

provide

voltage drop

acrosssolenoid.

Circuit open,

shorted orPCM driver

failure during

on-board

diagnostics.

Short circuit,engine stalls in

2nd ((D), 2

range) at low

speeds withbrake applied.

Open circuit,

torqueconverter

clutch never

engages. May

flash TCIL.

P1740 TCCTCC

malfunction

Mechanical

failure of the

solenoiddetected.

Failed on"

Engine stalls in

2nd (O/D,Manual 2

ranges) at low

idle speedswith brake

applied. Failed

off" Torque

converter never

applies.

PTS HYDROSYSTEM. IFTHERE IS LOTS OF

DEBRIS IN PAN YOU

WILL NEED PTS KITAND BILLET TORQUE

CONVERTER

P1741**

TCC,

internal

components

Excessive

torque

converterclutch

engagement

error

Excessivevariations in

slip (engine

speed surge)across the

torque

converterclutch.

Engine rpm

oscillation ispresent in 3rd

gear.

PTS

HYDROSYSTEM,BILLET

TORQUE CONVERTER.IF THERE IS LOTS OF

DEBRIS IN PAN YOU

WILL NEED PTS KIT

P1742

TCC,

internal

components

TCC solenoidfailed on

TCCsolenoid has

failed on by

electric,

mechanicalor hydraulic

concern.

Harsh shifts.

PTS

HYDROSYSTEM,BILLET



P1743

TCC,

internalcomponents

TCC solenoid

failed on

TCC

solenoid has

failed on byelectric,

mechanical

Harsh shifts.

PTS

HYDROSYSTEM,BILLET


DEBRIS IN PAN YOU


24/25

or hydraulicconcern.

WILL NEED PTS KIT

P1744 TCC TCC

The PCM

picked up an

excessive

amount ofTCC

slippage

duringnormal

vehicle

operation.

TCC

slippage/erraticor no torque

converter

clutchoperation.

PTS

HYDROSYSTEM,BILLETTORQUE CONVERTER.

IF THERE IS LOTS OF


P1746*

P0960

EPC,

wiring,PCM

EPC solenoid

open circuit

Voltage

through EPC

solenoid ischecked. An

error will benoted iftolerance is

exceeded.

Open circuit

causesmaximum EPC

pressure, harshengagementsand shifts.

WIRING OR SUPER

SOLENOID

P1747*

P0962

EPC,wiring,

PCM

EPC solenoid

circuit failure,shorted circuit

or output

driver

Voltage

through EPCsolenoid is

checked. An

error will be

noted iftolerance is

exceeded.

Short circuit

causes

minimum EPCpressure

(minimum

capacity) and

limits enginetorque

(alternate

firm).

WIRING OR SUPER

SOLENOID

P1760EPC,

wiring,

PCM

EPC solenoid

circuit failure,shorted circuit

or output

driver

PCM

detected aloss of EPC

during

operation.

Unexpectedreduction in

engine torque.

WIRING OR SUPER

SOLENOID

P178114x4 Low

switch

4x4 Low

switch closed

4x4 Low

switch closedor 4x4 Low

indicator

lamp circuitopen.

Failed on"

early shift

schedules in4x2 and 4x4 HI

range. Failed

off" shifts

delayed in 4x4Low.1

WIRING OR 4X4

SWITCH


25/25

P0748**EPC

solenoidEPC solenoidcircuit failure

Voltagethrough EPC

solenoid is

checked. Anerror will be

noted if


Short circuitresults in

minimum EPC

pressure(minimum

capacity) andlimits enginetorque

(alternate

firm). Not allgears present.

Open circuit:

maximum PC

A pressure,harsh

engagements

and shifts.

WIRING OR SUPERSOLENOID

P1729 4x4 Low4x4 Lowswitch failure

4x4 Low

switch failure

duringnormal

vehicle

operation.

Early shifts,

harsh shifts,

increase inelectronic

pressure

control valve.

WIRING OR 4X4SWITCH

P1728 Trans

Transmission

slip error

The PCM has

detected anexcessive

amount of

slippageduring

normal

operation.

Transmissionslippage erratic

or no torque

converterclutch

operation.

COMPLETE

TRANSMISSIONFAILURE
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