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Engine Control System Diagnostic Trouble Codes

ENGINE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST

x: Applicable

-: Not applicable

DTC No.

Condition

MIL

Generator warning light

DC

Monitor item ⁽¹⁾

Self test type ⁽²⁾

Memory function

PCM malfunction

-

-

-

-

C, O

-

A/F sensor heater control circuit problem

ON

-

2

A/F sensor heater, HO2S heater

C

x

A/F sensor heater control circuit low input

ON

-

2

A/F sensor heater, HO2S heater

C, O, R

x

A/F sensor heater control circuit high input

ON

-

2

A/F sensor heater, HO2S heater

C, R

x

HO2S heater control circuit low input

ON

-

2

A/F sensor heater, HO2S heater

C, O, R

x

HO2S heater control circuit high input

ON

-

2

A/F sensor heater, HO2S heater

C, R

x

P0076 ⁽⁵⁾

VDI solenoid valve control circuit low input

OFF

-

2

Other

C, O, R

X

P0077 ⁽⁵⁾

VDI solenoid valve control circuit high input

OFF

-

2

Other

C

X

MAF sensor circuit range/performance problem

ON

-

2

CCM

C

x

MAF sensor circuit low input

ON

-

1

CCM

C, R

x

MAF sensor circuit high input

ON

-

1

CCM

C, O, R

x

BARO sensor circuit low input

ON

-

1

CCM

C, O, R

x

BARO sensor circuit high input

ON

-

1

CCM

C, O, R

x

IAT sensor circuit range/performance problem

ON

-

2

CCM

C

x

IAT sensor circuit low input

ON

ON

1

CCM

C, O, R

x

IAT sensor circuit high input

ON

ON

1

CCM

C, O, R

x

ECT sensor circuit range/performance problem

ON

-

2

Engine cooling system

C

x

ECT sensor circuit low input

ON

-

1

CCM

C, O, R

x

ECT sensor circuit high input

ON

-

1

CCM

C, O, R

x

TP sensor No. 1 circuit low input

ON

-

1

CCM

C, O, R

x

TP sensor No. 1 circuit high input

ON

-

1

CCM

C, O, R

x

Insufficient coolant temperature for closed loop fuel control

ON

-

2

Engine cooling system

C

x

Insufficient coolant temperature for stable operation

ON

-

2

Thermostat

C

x

A/F sensor circuit problem

ON

-

2

A/F sensor, HO2S

C, R

x

A/F sensor circuit low input

ON

-

2

A/F sensor, HO2S

C, R

x

A/F sensor circuit high input

ON

-

2

A/F sensor, HO2S

C, R

x

A/F sensor circuit slow response

ON

-

2

A/F sensor, HO2S

C

x

A/F sensor no activity detected

ON

-

2

A/F sensor, HO2S

C, R

x

HO2S circuit low input

ON

-

2

A/F sensor, HO2S

C

x

HO2S circuit high input

ON

-

2

A/F sensor, HO2S

C, O, R

x

HO2S circuit slow response

ON

-

2

A/F sensor, HO2S

C

x

System too lean

ON

-

2

Fuel system

C R

x

System too rich

ON

-

2

Fuel system

C, R

x

TP sensor No. 2 circuit low input

ON

-

1

CCM

C, O, R

x

TP sensor No. 2 circuit high input

ON

-

1

CCM

C, O, R

x

Random misfire detected

Flash/ON

-

1 or 2

Misfire

C

x

Front rotor misfire detected

Flash/ON

-

1 or 2

Misfire

C

x

Rear rotor misfire detected

Flash/ON

-

1 or 2

Misfire

C

x

KS No. 1 circuit low input

ON

-

1

CCM

C, O, R

x

KS No. 1 circuit high input

ON

-

1

CCM

C, O, R

x

KS No. 2 circuit low input

ON

-

1

CCM

C, O, R

x

KS No. 2 circuit high input

ON

-

1

CCM

C, O, R

x

Eccentric shaft position sensor circuit problem

ON

-

1

CCM

C

x

Eccentric shaft position sensor circuit range/performance problem

ON

-

1

CCM

C, R

x

Secondary air injection system problem

ON

-

2

AIR system

C, R

x

Secondary air injection system incorrect upstream flow

ON

-

2

AIR system

C

x

Catalyst system efficiency below threshold

ON

-

2

Catalyst

C

x

EVAP system incorrect purge flow

ON

-

2

EVAP system

C, R

x

EVAP system leak detected (small leak)

ON

-

2

EVAP system

C, R

x

Purge solenoid valve circuit problem

ON

-

2

CCM

C, O, R

x

EVAP system vent control circuit problem

ON

-

2

EVAP system

C, R

x

EVAP system leak detected (large leak)

ON

-

2

EVAP system

C

x

EVAP system leak detected (very small leak)

ON

-

2

EVAP system

C

x

Fuel gauge sender unit (main) circuit range/performance problem

ON

-

2

CCM

C

x

Fuel gauge sender unit (main) circuit low input

ON

-

2

CCM

C, R

x

Fuel gauge sender unit (main) circuit high input

ON

-

2

CCM

C, R

x

Cooling fan relay No. 1 control circuit problem

OFF

-

2

Other

C, O, R

x

Cooling fan relay No. 2 and No. 3 control circuit problem

OFF

-

2

Other

C, O, R

x

Cooling fan relay No. 4 and No. 5 control circuit problem

OFF

-

2

Other

C, O, R

x

VSS circuit problem

ON

-

2

CCM

C

x

Idle air control system problem

OFF

-

-

-

R

-

Idle air control system RPM lower than expected

ON

-

2

CCM

C

x

Idle air control system RPM higher than expected

ON

-

2

CCM

C

x

Cold start idle air control system performance

ON

-

2

CSERS

C

x

Oil pressure sensor circuit low input

OFF

-

1

Other

C, O, R

x

Oil pressure sensor circuit high input

OFF

-

1

Other

C, O, R

x

System voltage low (KAM)

ON

-

1

CCM

C, O, R

x

Cruise control switch input circuit problem

OFF

-

1

Other

C, O, R

x

Brake switch input circuit problem

OFF

-

1

Other

C, O, R

x

PCM memory check sum error

ON

-

1

CCM

C, O, R

x

PCM programming error

ON

-

1

CCM

C, O, R

x

PCM random access memory error

ON

-

1

CCM

C, O, R

x

PCM processor error

ON

-

1

CCM

C, O, R

x

PCM vehicle options error

ON

-

1

CCM

C, O, R

x

Throttle actuator control circuit range/performance problem

ON

-

1

CCM

C

x

SSV solenoid valve control circuit low

ON

-

2

CCM

C, O, R

x

SSV solenoid valve control circuit high

ON

-

2

CCM

C

x

Brake switch input circuit problem

ON

-

2

CCM

C

x

P0704 ⁽⁴⁾

CPP switch input circuit problem

ON

-

2

CCM

C

x

P0850 ⁽⁴⁾

Neutral switch input circuit problem

ON

-

2

CCM

C

x

Immobilizer system problem

OFF

-

1

Other

C, O

-

OCV circuit low input

OFF ⁽⁶⁾

-

1

Other

C, O, R

x

OCV circuit high input

OFF ⁽⁶⁾

-

1

Other

C, O, R

x

Metering oil pump No. 1 circuit low input

OFF ⁽⁶⁾

-

1

Other

C, R

x

Metering oil pump No. 1 circuit high input

OFF ⁽⁶⁾

-

1

Other

C, R

x

Metering oil pump oil pressure sensor-oil pressure is low

OFF ⁽⁶⁾

-

1

Other

C

x

Metering oil pump oil pressure sensor-oil pressure is high

OFF ⁽⁶⁾

-

1

Other

C

x

Metering oil pump No. 2 circuit low input

OFF ⁽⁶⁾

-

1

Other

C, R

x

Metering oil pump No. 2 circuit high input

OFF ⁽⁶⁾

-

1

Other

C, R

x

APV stuck open (No. 1)

ON

-

2

CCM

C, O, R

x

APV stuck open (No. 2)

ON

-

2

CCM

C, O, R

x

APV motor control circuit low input

ON

-

2

CCM

C, O, R

x

APV motor control circuit high input

ON

-

2

CCM

C, O, R

x

Fuel gauge sender unit (sub) circuit low input

ON

-

2

CCM

C, R

x

Fuel gauge sender unit (sub) circuit high input

ON

-

2

CCM

C, R

x

SSV stuck open

ON

-

2

CCM

C, O, R

x

Target A/F feedback system too lean

ON

-

2

Fuel system

C

x

Target A/F feedback system too rich

ON

-

2

Fuel system

C

x

Throttle actuator circuit range/performance

ON

-

1

CCM

C

x

Throttle actuator control module processor error

ON

-

1

CCM

C, O, R

x

Throttle actuator control module performance error

ON

-

1

CCM

C, O, R

x

TP sensor minimum stop range/performance problem

ON

-

1

CCM

C, O, R

x

Throttle actuator control system range/performance problem

ON

-

1

CCM

C, O, R

x

Throttle actuator control throttle body range/performance problem

ON

-

2

CCM

C, O, R

x

APP sensor No. 1 circuit low input

ON

-

1

CCM

C, O, R

x

APP sensor No. 1 circuit high input

ON

-

1

CCM

C, O, R

x

APP sensor No. 2 circuit low input

ON

-

1

CCM

C, O, R

x

APP sensor No. 2 circuit high input

ON

-

1

CCM

C, O, R

x

TP sensor No. 1/No. 2 voltage correlation problem

ON

-

1

CCM

C, O, R

x

APP sensor No. 1/No. 2 voltage correlation problem

ON

-

1

CCM

C, O, R

x

A/F sensor signal stuck lean

ON

-

2

A/F sensor, HO2S

C

x

A/F sensor signal stuck rich

ON

-

2

A/F sensor, HO2S

C

x

AIR pump relay control circuit low

ON

-

2

AIR system

C, O, R

x

AIR pump relay control circuit high

ON

-

2

AIR system

C, R

x

AIR solenoid valve control circuit low

ON

-

2

AIR system

C, O, R

x

AIR solenoid valve control circuit high

ON

-

2

AIR system

C, R

x

HO2S signal stuck lean

ON

-

2

A/F sensor, HO2S

C

x

HO2S signal stuck rich

ON

-

2

A/F sensor, HO2S

C

x

EVAP system leak detection pump control circuit low

ON

-

2

EVAP system

C, R

x

EVAP system leak detection pump control circuit high

ON

-

2

EVAP system

C, R

x

EVAP system leak detection pump sense circuit range/performance problem

ON

-

2

EVAP system

C, R

x

EVAP system leak detection pump sense circuit low

ON

-

2

EVAP system

C, R

x

EVAP system leak detection pump sense circuit intermittent/erratic problem

ON

-

2

EVAP system

C, R

x

Charging system voltage problem

OFF

ON

1

Other

C, R

x

Charging system voltage low

OFF

ON

1

Other

C, R

x

Charging system voltage high

OFF

ON

1

Other

C, R

x

⁽¹⁾	Indicates the applicable item in the On-Board System Readiness Test as defined by CARB

⁽²⁾	C: CMDTC self test, O: KOEO self test, R: KOER self test

⁽³⁾	California emission regulation applicable model

⁽⁴⁾

MT

⁽⁵⁾	13B-MSP (high power)

⁽⁶⁾	Oil level warning light flashes