Fault
Code |
Circuit
Index |
Condition Description |
Comments |
Probable Causes |
| 0107 |
BARO |
Barometric press sensor ckt low input |
Defaults to 100kPa |
Open/grounded circuit, biased sensor, PCM |
| 0108 |
BARO |
Barometric press sensor ckt high input |
Defaults to 100kPa |
Circuit shorted to 5V, biased sensor, PCM |
| 0112 |
IAT |
Intake air temp sensor ckt low input |
Defaults to 15°C |
Grounded circuit, biased sensor, PCM |
| 0113 |
IAT |
Intake air temp sensor ckt high input |
Defaults to 15°C |
Open circuit, biased sensor, PCM, short to 5V |
| 0122* |
AP |
Accelerator pedal sensor ckt low input |
Engine will only idle if hard fault |
Grounded circuit, biased sensor, PCM |
| 0123* |
AP |
Accelerator pedal sensor ckt high
input |
Engine will only idle if hard fault |
Open circuit, biased sensor, PCM,
short to 5V |
| 0195 |
EOT |
EOT sensor ckt malfunction (95 MY) |
Aborts KOER CCT test |
Engine not up to operating temp.,
leaking thermostat |
| 0196 |
EOT |
EOT sensor ckt performance (96 MY) |
Aborts KOER CCT test |
Engine not up to operating temp.,
leaking thermostat |
| 0197* |
EOT |
Engine oil temp sensor ckt low input |
No cold adv., fast low idle |
Grounded circuit, biased sensor, PCM |
| 0198* |
EOT |
Engine oil temp sensor ckt high input |
No cold adv., fast low idle |
Open circuit, biased sensor, PCM,
short to 5V |
| 0220* |
IVS |
Throttle switch B ckt malfunction |
Switch test - KOER |
Short/open circuit, switch failure,
operator, PCM |
| 0221* |
IVS |
Throttle switch B ckt performance |
AP/IVS disagree - Engine will only
idle if hard fault |
Failed pedal assembly |
| 0235* |
MAP |
Turbo boost sensor A ckt malfnct (95
MY) |
Uses Inferred MAP signal |
Open, short to ground or 5v, faulty
sensor |
| 0236* |
MAP |
Turbo boost sensor A ckt performance |
Uses Inferred MAP signal |
Restricted inlet/exhaust/supply hose, missing hose |
| 0237* |
MAP |
Turbo boost sensor A ckt low input |
Uses Inferred MAP signal |
Sensor, PCM (95MY) Open, short,
sensor, PCM (96MY) |
| 0238* |
MAP |
Turbo boost sensor A ckt high input
(96MY) |
Uses Inferred MAP signal |
Noise, faulty sensor |
| 0261* |
INJ |
Injector ckt low - Cylinder 1 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0262 |
INJ |
Injector ckt high - Cylinder 1 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0263 |
PCED |
Cylinder 1 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0264* |
INJ |
Injector ckt low - Cylinder 2 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0265 |
INJ |
Injector ckt high - Cylinder 2 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0266 |
PCED |
Cylinder 2 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0267* |
INJ |
Injector ckt low - Cylinder 3 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0268 |
INJ |
Injector ckt high - Cylinder 3 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0269 |
PCED |
Cylinder 3 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0270* |
INJ |
Injector ckt low - Cylinder 4 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0271 |
INJ |
Injector ckt high - Cylinder 4 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0272 |
PCED |
Cylinder 4 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0273* |
INJ |
Injector ckt low - Cylinder 5 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0274 |
INJ |
Injector ckt high - Cylinder 5 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0275 |
PCED |
Cylinder 5 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0276* |
INJ |
Injector ckt low - Cylinder 6 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0277 |
INJ |
Injector ckt high - Cylinder 6 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0278 |
PCED |
Cylinder 6 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0279* |
INJ |
Injector ckt low - Cylinder 7 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0280 |
INJ |
Injector ckt high - Cylinder 7 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0281 |
PCED |
Cylinder 7 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0282* |
INJ |
Injector ckt low - Cylinder 8 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0283 |
INJ |
Injector ckt high - Cylinder 8 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0284 |
PCED |
Cylinder 8 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0340 |
CMP |
Camshaft pos sensor ckt malfunction |
No CMP sensor signal detected during
crank |
Open/grounded circuit, sensor fault,
short to power |
| 0341* |
CMP |
Camshaft pos sensor ckt performace |
Electrical noise detected |
Harness routing, charging ckt,
sensor |
| 0344 |
CMP |
Camshaft pos sensor ckt intermittent |
Incorrect number of CMP transition
counts |
Harness routing, charging ckt, sensor,
int ckt, improper gap |
| 0380 |
GP |
Glow plug ckt malfunction |
Glow Plug Relay - KOEO OCC test |
Open/grounded ckt, solenoid
open/shorted, failed PCM |
| 0381 |
GP |
Glow plug indicator ckt malfunction |
Glow Plug Lamp - KOEO OCC test |
Open/grounded circuit, lamp open,
failed PCM |
| 0470 |
EBP |
Exhst press sensor ckt malfnct (96 MY) |
No-start or crank mode |
Biased sensor, open signal return |
| 0471 |
EBP |
Exhst press sensor ckt prfrmnc (96MY) |
Run mode |
Plugged, stuck, or leaking hose |
| 0472 |
EBP |
Exhaust press sensor ckt low input |
Disables back pressure device |
Open/grounded circuit, biased sensor,
PCM |
| 0473 |
EBP |
Exhaust press sensor ckt high input |
Disables back pressure device |
Circuit shorted to 5V, biased sensor,
PCM |
| 0475 |
EPR |
Exhst press control valve malfunction |
Exhaust back pressure regulator - KOEO
OCC test |
Open/grounded ckt, solenoid
open/shorted, failed PCM |
| 0476 |
EPR |
Exhst press control valve performance |
Run mode and KOER on-demand test |
Failed/stuck EPR control, EBP fault, EPR
circuit |
| 0478 |
EPR |
Exhst press control valve high input |
Excessive back pressure - run mode |
Plugged sensor line, stuck butterfly,
restricted exhaust |
| 0500 |
VSS |
Vehicle speed sensor malfunction |
|
Sensor, circuit, PCM, PSOM, TR
failure, low trans
fluid |
| 0560 |
PCED |
System voltage malfunction |
B+ too low for CCT test - aborts test |
Charging system problem/load, glow
plugs still enabled |
| 0562 |
PCED |
System voltage low |
May be temporary condition at crank
only |
Low sys. voltage, charging sys.,
internal PCM failure |
| 0563 |
PCED |
System voltage high |
May be temporary condition - 24V jump
start |
High sys. voltage, charging sys.,
internal PCM failure |
| 0565 |
PCED |
Cruise "On" signal malfunction |
Switch Test - KOER (Code set if cruise
not present) |
Open/short circuit, switch, PCM, or failed to activate switch during KOER switch test
Cruise control codes will be set on every switch test on
vehicles not equipped with cruise control.
|
| 0566 |
PCED |
Cruise "Off" signal malfunction |
Switch Test - KOER (Code set if cruise
not present) |
| 0567 |
PCED |
Cruise "Resume" signal malfunction |
Switch Test - KOER (Code set if cruise
not present) |
| 0568 |
PCED |
Cruise "Set" signal malfunction |
Switch Test - KOER (Code set if cruise
not present) |
| 0569 |
PCED |
Cruise "Coast" signal malfunction |
Switch Test - KOER (Code set if cruise
not present) |
| 0571 |
BPA |
Brake switch A ckt malfunction |
Switch Test - KOER (Code set if cruise
not present) |
| 0603 |
PCED |
Powertrain Control Module KAM error |
No historical faults output during
a KOEO test |
Open PCM pin, disconnected B+, faulty
PCM |
| 0605 |
PCED |
Powertrain Control Module ROM error |
Internal PCM failure |
Internal PCM failure |
| 0606 |
PCED |
PCM processor fault |
PCM inactive background fault |
Internal PCM failure |
| 0703 |
BOO |
Brake switch B ckt malfunction |
Switch Test - KOER |
Open/short circuit, switch, PCM,
failed to activate switch during KOER switch test |
| 0704 |
CPP |
Clutch switch input ckt
malfunction |
Switch Test - KOER |
| 0707** |
TR |
Trans range sensor ckt low input |
|
Short to ground in circuit, biased
sensor, PCM |
| 0708** |
TR |
Trans range sensor ckt high input |
|
Open in circuit, biased sensor, PCM,
short to power |
| 0712 |
TFT |
Trans fluid temp sensor ckt low input |
|
Short to ground, biased sensor, PCM |
| 0713 |
TFT |
Trans fluid temp sensor ckt high input |
|
Open circuit, biased sensor, PCM,
short to power |
| 0741 |
TCC |
Toque converter clutch ckt |
|
Circuit failure, faulty solenoid, PCM |
| 0750 |
SS1 |
Shift solenoid A malfunction |
|
Circuit failure, faulty solenoid, PCM |
| 0755 |
SS2 |
Shift solenoid B malfunction |
|
Circuit failure, faulty solenoid, PCM |
| 0781** |
|
1-2 shift malfunction |
|
Circuit failure, faulty solenoid,
faulty clutch, PCM |
| 0782** |
|
2-3 shift malfunction |
|
Circuit failure, faulty solenoid,
faulty clutch, PCM |
| 0783** |
|
3-4 shift malfunction |
|
Circuit failure, faulty solenoid,
faulty clutch, PCM |
| 1111 |
N/A |
System pass |
No PCM system faults detected |
N/A |
| 1211* |
IPR |
ICP pressure above/below desired |
Continuous and KOER on-demand test |
IPR valve failed, stuck, or shorted to
ground |
| 1212* |
ICP |
ICP volt not at expected level |
Crank or KOEO |
Biased sensor or ckt, open signal
rtn, low oil in reservoir |
| 1218 |
PCM/IDM |
CID stuck high |
Cyl. identification line stuck
high (historical fault only) |
CID circuit open, probably intermittent |
| 1219 |
PCM/IDM |
CID stuck low |
Cyl. identification line stuck low
(historical fault only) |
CID circuit short to ground, probably
intermittent |
1261-
1268 |
INJ |
High to low side short cyl #1 -#8 |
Cylinder with fault will not operate |
Short circuit, shorted injector,
failed IDM |
1271-
1278 |
INJ |
High to low side open cyl #1- #8 |
Cylinder with fault will not operate |
Open circuit, open injector, failed
IDM |
| 1280* |
ICP |
ICP circuit out of range low |
Uses inferred ICP strategy |
Open/grounded circuit, biased sensor,
PCM |
| 1281* |
ICP |
ICP circuitt out of range high |
Uses inferred ICP strategy |
Circuit shorted to 5V, biased sensor,
PCM |
| 1282 |
IPR |
Excessive ICP pressure |
System fault |
Faulty IPR regulator (sticking), IPR
shorted to ground |
| 1283* |
IPR |
IPR circuit failure |
Run-mode or KOEO OCC test |
Open/grounded circuit, stuck IPR,
loose connection |
| 1284 |
N/A |
ICP failure - aborts KOER CCT test |
Detected sensor circuit fault - aborts
KOER CCT test |
See codes
1280, 1281, 1282, 1283, 1211 |
| 1291 |
INJ |
High side #1 (right) short to grd or
B+ |
Inj power supply circuit short
(operates on 4 cylinders) |
Shorted circuit, faulty IDM |
| 1292 |
INJ |
High side #2 (left) short to grd or B+ |
Inj power supply circuit short
(operates on 4 cylinders) |
Shorted circuit, faulty IDM |
| 1293 |
INJ |
High side open bank #1 (right) |
Inj power supply circuit open
(operates on 4 cylinders) |
Open circuit, faulty IDM |
| 1294 |
INJ |
High side open bank #2 (left) |
Inj power supply circuit open
(operates on 4 cylinders |
Open circuit, faulty IDM |
| 1295* |
INJ |
Multiple faults on bank #1 (right) |
Fix low side short and rerun
diagnostics |
Miswired connector or harness, short
to ground |
| 1296* |
INJ |
Multiple faults on bank #2 (left) |
Fix low side short and rerun
diagnostics |
Miswired connector or harness, short
to ground |
| 1297 |
INJ |
High sides shorted together |
Fix shorts and rerun diagnostics |
Shorted wires, faulty IDM |
| 1298 |
PCED |
IDM failure |
Internal IDM failure |
Internal IDM failure |
| 1464 |
N/A |
A/C on during KOER CCT test |
Aborts KOER CCT test |
Operator error, A/C circuit shorted to
power |
| 1501 |
N/A |
Vehicle moved during testing |
Aborts test - KOER on-demand, CCT, or
switch test |
Operator error |
| 1531 |
N/A |
Invalid test - acc. pedal movement |
Aborts test - KOER on-demand or CCT
test |
Accelerator pedal moved during KOER
on-demand or CCT test |
| 1536 |
PBA |
Parking brake applied fail |
Switch Test - KOER |
Circuit, switch, PCM, failed to
activate switch KOER |
| 1660 |
PCED |
OCC signal high |
Aborts KOEO OCC test |
High system voltage, internal PCM
fault |
| 1661 |
PCED |
OCC signal low |
Aborts KOEO OCC test |
Low system voltage, internal PCM fault |
| 1662 |
PCED |
IDM-EN circuit failure |
IDM enable relay - KOEO OCC test |
Open relay, blown fuse,
open/grounded circuit |
| 1663 |
PCM/IDM |
FDCS circuit failure |
Fuel demand command signal - KOEO OCC test |
Open/grounded circuit, faulty IDM |
| 1667 |
PCM/IDM |
CID circuit failure |
Cyl. identification circuit - KOEO OCC test |
Open/grounded circuit, faulty IDM |
| 1668 |
PCM/IDM |
PCM-IDM diag. communication error |
Communication on EF (Electronic
Feedback line) |
Open/shorted EF or FDCS, open IDM
ground |
| 1705 |
TRS |
TR sensor out of self test range |
Not in PARK during KOEO or KOER |
Operator error, circuit failure,
faulty sensor, PCM |
| 1711 |
TFT |
TFT sensor out of self test range |
Transmission fluid temp too high or
low |
Circuit failure, faulty sensor, PCM |
| 1728** |
TCC |
Trans slip error - converter clutch
failed |
|
Solenoid failure or mechanical failure |
| 1729 |
4x4L |
4x4 Low switch error |
|
Circuit failure, faulty switch, PCM |
| 1746 |
EPC |
EPC solenoid open circuit |
|
Open circuit, faulty solenoid, PCM |
| 1747 |
EPC |
EPC solenoid short ckt |
|
Short circuit, faulty solenoid, PCM
shorted to ground |
| 1748** |
EPC |
EPC malfunction |
|
Circuit failure, PCM |
| 1754 |
CCS |
Coast clutch solenoid ckt. malfunction |
KOEO OCC test |
Circuit failure, faulty solenoid, PCM |
| 1779 |
TCIL |
TCIL circuit malfunction |
KOEO OCC test |
Short to ground, PCM |
| 1780 |
TCS |
TCS circuitt out of self test range |
Switch test - KOER |
Circuit, switch, PCM, failed to
activate switch in KOER |
| 1781 |
4X4L |
4X4L circuit out of self test range |
In 4X4L during KOEO or KOER |
Operator error, short to ground, PCM |
| 1783** |
TFT |
Transmission overtemp condittion |
|
Internal trans failure, circuit
failure, sensor, PCM |
