Powertrain Codes

P0291

Technical Definition:

(Cylinder No.11) Injector Circuit Low

Trouble Code: P0291
Address: 0x0291
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 11 Injector Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 11
– Faulty Fuel Injector 11
– Plugged Fuel Injector 11
– Fuel injector 11 harness is open or shorted
– Fuel injector 11 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P028D

Technical Definition:

Charge Air Cooler Cooling Fan Control Circuit Low

Trouble Code: P028D
Address: 0x028D
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P028B

Technical Definition:

Charge Air Cooler Cooling Fan Performance/Stuck Off

Trouble Code: P028B
Address: 0x028B
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P028C

Technical Definition:

Charge Air Cooler Cooling Fan Stuck On

Trouble Code: P028C
Address: 0x028C
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0286

Technical Definition:

(Cylinder No.9) Injector Circuit High

Trouble Code: P0286
Address: 0x0286
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 9 Injector Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 9
– Faulty Fuel Injector 9
– Plugged Fuel Injector 9
– Fuel injector 9 harness is open or shorted
– Fuel injector 9 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0287

Technical Definition:

(Cylinder No.9) Contribution / Balance

Trouble Code: P0287
Address: 0x0287
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 9 Contribution/Balance Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 9
– Faulty Fuel Injector 9
– Plugged Fuel Injector 9
– Fuel injector 9 harness is open or shorted
– Fuel injector 9 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0288

Technical Definition:

(Cylinder No.10) Injector Circuit Low

Trouble Code: P0288
Address: 0x0288
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 10 Injector Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 10
– Faulty Fuel Injector 10
– Plugged Fuel Injector 10
– Fuel injector 10 harness is open or shorted
– Fuel injector 10 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0289

Technical Definition:

(Cylinder No.10) Injector Circuit High

Trouble Code: P0289
Address: 0x0289
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 10 Injector Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 10
– Faulty Fuel Injector 10
– Plugged Fuel Injector 10
– Fuel injector 10 harness is open or shorted
– Fuel injector 10 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P028A

Technical Definition:

Charge Air Cooler Cooling Fan Control Circuit Open

Trouble Code: P028A
Address: 0x028A
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0283

Technical Definition:

(Cylinder No.8) Injector Circuit High

Trouble Code: P0283
Address: 0x0283
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 8 Injector Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 8
– Faulty Fuel Injector 8
– Plugged Fuel Injector 8
– Fuel injector 8 harness is open or shorted
– Fuel injector 8 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0284

Technical Definition:

(Cylinder No.8) Contribution / Balance

Trouble Code: P0284
Address: 0x0284
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 8 Contribution/Balance Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 8
– Faulty Fuel Injector 8
– Plugged Fuel Injector 8
– Fuel injector 8 harness is open or shorted
– Fuel injector 8 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0285

Technical Definition:

(Cylinder No.9) Injector Circuit Low

Trouble Code: P0285
Address: 0x0285
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 9 Injector Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 9
– Faulty Fuel Injector 9
– Plugged Fuel Injector 9
– Fuel injector 9 harness is open or shorted
– Fuel injector 9 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0282

Technical Definition:

(Cylinder No.8) Injector Circuit Low

Trouble Code: P0282
Address: 0x0282
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 8 Injector Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 8
– Faulty Fuel Injector 8
– Plugged Fuel Injector 8
– Fuel injector 8 harness is open or shorted
– Fuel injector 8 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0281

Technical Definition:

(Cylinder No.7) Contribution / Balance

Trouble Code: P0281
Address: 0x0281
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 7 Contribution/Balance Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 7
– Faulty Fuel Injector 7
– Plugged Fuel Injector 7
– Fuel injector 7 harness is open or shorted
– Fuel injector 7 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P027C

Technical Definition:

Fuel Pump Module B Control Circuit Low

Trouble Code: P027C
Address: 0x027C
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P027D

Technical Definition:

Fuel Pump Module B Control Circuit High

Trouble Code: P027D
Address: 0x027D
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0280

Technical Definition:

(Cylinder No.7) Injector Circuit High

Trouble Code: P0280
Address: 0x0280
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 7 Injector Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 7
– Faulty Fuel Injector 7
– Plugged Fuel Injector 7
– Fuel injector 7 harness is open or shorted
– Fuel injector 7 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P027A

Technical Definition:

Fuel Pump Module B Control Circuit Open

Trouble Code: P027A
Address: 0x027A
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P027B

Technical Definition:

Fuel Pump Module B Control Circuit Range/Performance

Trouble Code: P027B
Address: 0x027B
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0276

Technical Definition:

(Cylinder No.6) Injector Circuit Low

Trouble Code: P0276
Address: 0x0276
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 6 Injector Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 6
– Faulty Fuel Injector 6
– Plugged Fuel Injector 6
– Fuel injector 6 harness is open or shorted
– Fuel injector 6 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG