Fault Code |
Circuit Index |
Condition Description |
Comments |
Probable Causes |
| 0107 |
BARO |
Barometric press sensor circuit low |
Defaults to 100kPa |
Open/grounded circuit, biased sensor, PCM |
| 0108 |
BARO |
Barometric press sensor circuit high |
Defaults to 100kPa |
Circuit shorted to 5V, biased sensor, PCM |
| 0112 |
IAT |
Intake air temp sensor circuit low |
Defaults to 15°C |
Grounded circuit, biased sensor, PCM |
| 0113 |
IAT |
Intake air temp sensor circuit high |
Defaults to 15°C |
Open circuit, biased sensor, PCM, short to 5V |
| 0122 |
AP |
Accelerator pedal sensor circuit low |
Engine will only idle if hard fault |
Grounded circuit, biased sensor, PCM |
| 0123 |
AP |
Accelerator pedal sensor circuit high |
Engine will only idle if hard fault |
Open circuit, biased sensor, PCM,
short to 5V |
| 0196 |
EOT |
Engine oil temp sensor circuit |
Engine not warm enough to run KOER CCT
- aborts test |
Engine not warm enough, leaking
thermostat, ckt failure |
| 0197 |
EOT |
Engine oil temp sensor circuit low |
No cold adv., fast low idle |
Grounded circuit, biased sensor, PCM |
| 0198 |
EOT |
Engine oil temp sensor circuit high |
No cold adv., fast low idle |
Open circuit, biased sensor, PCM,
short to 5V |
| 0220 |
IVS |
Throttle switch B circuit malfunction |
Switch test - KOER |
Short/open circuit, switch failure,
operator, PCM |
| 0221 |
AP/IVS |
Throttle switch B circuit performance |
AP/IVS disagree - Engine will only
idle if hard fault |
Failed pedal assembly |
| 0236 |
MAP |
Turbo boost sensor A circuit |
Uses Inferred MAP signal |
Restricted inlet/exhaust/supply hose
or missing hose |
| 0237 |
MAP |
Turbo boost sensor A circuit low input |
Uses Inferred MAP signal |
Open, short to ground or 5V, faulty
sensor |
| 0238 |
MAP |
Turbo boost sensor A circuit high |
Uses Inferred MAP signal |
Noise, faulty sensor |
| 0261 |
INJ |
Injector circuit low - Cylinder 1 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0262 |
INJ |
Injector circuit high - Cylinder 1 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0263 |
INJ |
Cylinder 1 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0264 |
INJ |
Injector circuit low - Cylinder 2 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0265 |
INJ |
Injector circuit high - Cylinder 2 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0266 |
INJ |
Cylinder 2 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0267 |
INJ |
Injector circuit low - Cylinder 3 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0268 |
INJ |
Injector circuit high - Cylinder 3 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0269 |
INJ |
Cylinder 3 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0270 |
INJ |
Injector circuit low - Cylinder 4 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0271 |
INJ |
Injector circuit high - Cylinder 4 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0272 |
INJ |
Cylinder 4 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0273 |
INJ |
Injector circuit low - Cylinder 5 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0274 |
INJ |
Injector circuit high - Cylinder 5 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0275 |
INJ |
Cylinder 5 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0276 |
INJ |
Injector circuit low - Cylinder 6 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0277 |
INJ |
Injector circuit high - Cylinder 6 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0278 |
INJ |
Cylinder 6 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0279 |
INJ |
Injector circuit low - Cylinder 7 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0280 |
INJ |
Injector circuit high - Cylinder 7 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0281 |
INJ |
Cylinder 7 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0282 |
INJ |
Injector circuit low - Cylinder 8 |
FMEM mode, engine will run on 4 cyl. |
Harness short to ground |
| 0283 |
INJ |
Injector circuit high - Cylinder 8 |
FMEM mode, engine will run on 4 cyl. |
Miswired connector or harness |
| 0284 |
INJ |
Cylinder 8 contribution/balance fault |
Cylinder not contributing during CCT
test |
Power cylinder, valve train or
injector problem, circuit |
| 0340 |
CMP |
Camshaft position sensor ckt |
No CMP sensor signal detected during
crank |
Open/grounded circuit, sensor fault,
short to power |
| 0341 |
CMP |
Camshaft position sensor ckt |
Electrical noise detected |
Harness routing, charging circuit,
sensor |
| 0344 |
CMP |
Camshaft position sensor ckt |
Incorrect number of CMP transition
counts |
Harness routing, charging ckt, sensor,
int ckt, improper gap |
| 0380 |
GPC |
Glow plug circuit malfunction |
Glow Plug Relay - KOEO on-demand test |
Open/grounded ckt, solenoid
open/shorted/ failed PCM |
| 0381 |
GPL |
Glow plug indicator circuit |
Glow Plug Lamp - KOEO on-demand test |
Open/grounded circuit, lamp open,
failed PCM |
| 0470 |
EBP |
Exhaust press sensor circuit |
Key-on or crank mode |
Biased sensor, open signal return |
| 0471 |
EBP |
Exhaust press sensor circuit |
Continuous |
Plugged, stuck, or leaking hose |
| 0472 |
EBP |
Exhaust press sensor circuit low input |
Disables back pressure device |
Open/grounded circuit, biased sensor,
PCM |
| 0473 |
EBP |
Exhaust press sensor circuit high |
Disables back pressure device |
Circuit shorted to 5V, biased sensor,
PCM |
| 0475 |
EPR |
Exhaust press control valve |
Exhaust back press reg - KOEO
on-demand test |
Open/grounded ckt, solenoid
open/shorted, failed PCM |
| 0476 |
EPR |
Exhaust press control valve |
KOER on-demand test |
Failed/stuck EPR, EBP fault, EPR
circuit |
| 0478 |
EPR |
Exhaust press control valve high input |
Excessive back pressure - Continuous |
Plugged sensor line, stuck butterfly,
restricted exhaust |
| 0500 |
VSS |
Vehicle speed sensor malfunction |
Continuous |
Sensor, circuit, PCM, PSOM, low trans
fluid |
| 0560 |
N/A |
System voltage malfunction |
B+ too low for KOER on-demand or CCT
test - aborts test |
Charging system, problem, load, glow
plugs still enabled |
| 0562 |
VPWR |
System voltage low |
May be temporary condition at crank
only |
Low sys voltage, charging sys,
internal PCM failure |
| 0563 |
VPWR |
System voltage high |
May be temporary condition - 24V jump
start |
High sys voltage, charging sys,
internal PCM failure |
| 0565 |
SCCS |
Cruise "On" signal malfunction |
KOER switch test (Code set if cruise
not present) |
Open or short circuit, switch failure,
PCM failure or failed to activate switch during KOER switch test
Cruise control and BPA codes will be set on every switch test on
vehicles not equipped with cruise control.
|
| 0566 |
SCCS |
Cruise "Off" signal malfunction |
KOER switch test (Code set if cruise
not present) |
|
| 0567 |
SCCS |
Cruise "Return" signal malfunction |
KOER switch test (Code set if cruise
not present) |
| 0568 |
SCCS |
Cruise "Set" signal malfunction |
KOER switch test (Code set if cruise
not present) |
| 0569 |
SCCS |
Cruise "Coast" signal malfunction |
KOER switch test (Code set if cruise
not present) |
| 0571 |
BPA |
Brake switch A circuit malfunction |
KOER switch test (Code set if cruise
not present) |
| 0603 |
PCM |
Powertrain Control Module KAM test |
No historical faults output during
self test |
Open PCM pin, disconnected B+, faulty
PCM |
| 0605 |
PCM |
Powertrain Control Module ROM test |
Internal PCM failure |
Internal PCM failure |
| 0606 |
PCM |
PCM processor fault |
PCM inactive background fault |
Internal PCM failure |
| 0703 |
BOO |
Brake switch B circuit malfunction |
KOER switch test |
Open/short circuit, switch, PCM,
failed to activate switch during KOER switch test |
| 0704 |
CPP |
Clutch switch input circuit
malfunction |
KOER switch test |
| 0707 |
TRS |
Trans range sensor circuit low input |
Continuous |
Short to ground in circuit, biased
sensor, PCM |
| 0708 |
TRS |
Trans range sensor circuit high input |
Continuous |
Open in circuit, biased sensor, PCM,
short to power |
| 0712 |
TFT |
Trans fluid temp sensor ckt low input |
KOEO, KOER, and Continuous |
Short to ground, biased sensor, PCM |
| 0713 |
TFT |
Trans fluid temp sensor ckt high input |
KOEO, KOER, and Continuous |
Open circuit, biased sensor, PCM,
short to power |
| 0741 |
TCC |
Toque converter clutch ckt |
KOEO only |
Circuit failure, faulty solenoid, PCM |
| 0750 |
SS1 |
Shift solenoid A malfunction |
KOEO only |
Circuit failure, faulty solenoid, PCM |
| 0755 |
SS2 |
Shift solenoid B malfunction |
KOEO only |
Circuit failure, faulty solenoid, PCM |
| 0782 |
N/A |
2-3 shift error |
Continuous |
Circuit failure, faulty solenoid,
faulty clutch, PCM |
| 0783 |
N/A |
3-4 shift error |
Continuous |
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 mode and KOEO on-demand test |
Biased sensor or ckt, open signal
return, low oil in reservoir |
| 1218 |
CI |
CI stuck high |
Cylinder identification line stuck
high |
CI circuit open, probably intermittent |
| 1219 |
CI |
CI stuck low |
Cylinder identification line stuck low |
CI 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 circuit 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 |
KOEO on-demand test |
Open/grounded circuit, stuck IPR,
loose connection |
| 1284 |
N/A |
ICP failure - aborts KOER test |
Aborts KOER CCT test |
Sensor circuit fault See codes
1280, 1281, 1282, 1283, 1211 |
| 1291 |
INJ |
High side short to grd or B+, bank #1
(right) |
Inj power supply circuit short
(operates on 4 cylinders) |
Shorted circuit, faulty IDM |
| 1292 |
INJ |
High side short to grd or B+, bank #2
(left) |
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)
with low side short |
Fix low side short and return
diagnostics |
Miswired connector or harness, short
to ground |
| 1296 |
INJ |
Multiple faults on bank #2 (left) with
low side short |
Fix low side short and return
diagnostics |
Miswired connector or harness, short
to ground |
| 1297 |
INJ |
High sides shorted together |
Fix shorts and return diagnostics |
Shorted wires, faulty IDM |
| 1298 |
IDM |
IDM failure |
Internal IDM failure |
Internal IDM failure |
| 1464 |
N/A |
A/C demand out of self test range |
Aborts test - KOER on-demand, CCT, or
switch test |
Operator error, A/C circuit shorted to
power |
| 1501 |
N/A |
VSS out of self test range |
Aborts test - KOER on-demand, CCT, or
switch test |
Operator error |
| 1502 |
N/A |
Invalid test - APCM functioning |
Aborts test - KOER on-demand, CCT, or
switch test |
APCM active while KOER test is running |
| 1531 |
N/A |
Invalid test - accelerator pedal |
Aborts test - KOER on-demand or CCT
test |
Operator error |
| 1536 |
PBA |
Parking brake switch circuit failure |
KOER switch test |
Failed to activate switch during test,
circuit, switch, PCM |
| 1660 |
OCC |
OCC signal high |
Aborts KOEO on-demand test |
High system voltage, internal PCM
fault |
| 1661 |
OCC |
OCC signal low |
Aborts KOEO on-demand test |
Low system voltage, internal PCM fault |
| 1662 |
IDM_E |
IDM-EN circuit failure |
KOEO on-demand test |
Open IDM relay, blown fuse,
open/grounded circuit |
| 1663 |
FDCS |
FDCS circuit failure |
Fuel demand command signal - KOEO
on-demand test |
Open/grounded circuit, faulty IDM |
| 1667 |
CI |
CI circuit failure |
Cylinder identification circuit - KOEO
on-demand test |
Open/grounded circuit, faulty IDM |
| 1668 |
EF |
PCM-IDM diagnostic communication |
Electronic feedback line - KOEO
on-demand test |
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 for
KOEO or KOER test |
Transmission fluid too hot or cold,
circuit failure, faulty sensor, PCM |
| 1728 |
TCC |
Transmission slip error |
Continuous |
Solenoid failure or mechanical failure |
| 1729 |
4x4L |
4x4 Low switch error |
Continuous |
Circuit failure, faulty solenoid, PCM |
| 1746 |
EPC |
EPC solenoid open circuit |
KOEO only |
Open circuit, faulty solenoid, PCM |
| 1747 |
EPC |
EPC solenoid short circuit |
KOEO only |
Short circuit, faulty solenoid, PCM
shorted to ground |
| 1748 |
EPC |
EPC malfunction |
Continuous |
Circuit failure, PCM |
| 1754 |
CCS |
Coast clutch solenoid circuit |
KOEO on-demand test |
Circuit failure, faulty solenoid, PCM |
| 1779 |
TCIL |
TCIL circuit malfunction |
KOEO on-demand test |
Short to ground, PCM |
| 1780 |
TCS |
TCS circuit out of self test range |
KOER switch test |
Circuit, switch, PCM, failed to
activate switch KOER |
| 1781 |
4X4L |
4X4L circuit out of self test range |
In 4X4L during KOEO |
Operator error, short to ground, PCM |
| 1783 |
TFT |
Transmission overtemperature |
Continuous |
Internal transmission failure, circuit
failure, sensor, PCM |