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:

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:

P0279

Technical Definition:

(Cylinder No.7) Injector Circuit Low

Trouble Code: P0279
Address: 0x0279
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 7 Injector Circuit Low

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

P0278

Technical Definition:

(Cylinder No.6) Contribution / Balance

Trouble Code: P0278
Address: 0x0278
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 6 Contribution/Balance Fault

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

P0277

Technical Definition:

(Cylinder No.6) Injector Circuit High

Trouble Code: P0277
Address: 0x0277
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 6 Injector Circuit High

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

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

P0275

Technical Definition:

(Cylinder No.5) Contribution / Balance

Trouble Code: P0275
Address: 0x0275
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 5 Contribution/Balance Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 5
– Faulty Fuel Injector 5
– Plugged Fuel Injector 5
– Fuel injector 5 harness is open or shorted
– Fuel injector 5 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0274

Technical Definition:

(Cylinder No.5) Injector Circuit High

Trouble Code: P0274
Address: 0x0274
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 5 Injector Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 5
– Faulty Fuel Injector 5
– Plugged Fuel Injector 5
– Fuel injector 5 harness is open or shorted
– Fuel injector 5 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0273

Technical Definition:

(Cylinder No.5) Injector Circuit Low

Trouble Code: P0273
Address: 0x0273
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 5 Injector Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 5
– Faulty Fuel Injector 5
– Plugged Fuel Injector 5
– Fuel injector 5 harness is open or shorted
– Fuel injector 5 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0272

Technical Definition:

(Cylinder No.4) Contribution / Balance

Trouble Code: P0272
Address: 0x0272
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 4 Contribution/Balance Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 4
– Faulty Fuel Injector 4
– Plugged Fuel Injector 4
– Fuel injector 4 harness is open or shorted
– Fuel injector 4 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0271

Technical Definition:

(Cylinder No.4) Injector Circuit High

Trouble Code: P0271
Address: 0x0271
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 4 Injector Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 4
– Faulty Fuel Injector 4
– Plugged Fuel Injector 4
– Fuel injector 4 harness is open or shorted
– Fuel injector 4 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0270

Technical Definition:

(Cylinder No.4) Injector Circuit Low

Trouble Code: P0270
Address: 0x0270
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 4 Injector Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 4
– Faulty Fuel Injector 4
– Plugged Fuel Injector 4
– Fuel injector 4 harness is open or shorted
– Fuel injector 4 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P026D

Technical Definition:

Fuel Injection Quantity Higher Than Expected

Trouble Code: P026D
Address: 0x026D
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P026C

Technical Definition:

Fuel Injection Quantity Lower Than Expected

Trouble Code: P026C
Address: 0x026C
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P026B

Technical Definition:

Injection Timing Performance

Trouble Code: P026B
Address: 0x026B
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P026A

Technical Definition:

Charge Air Cooler Efficiency Below Threshold

Trouble Code: P026A
Address: 0x026A
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0269

Technical Definition:

(Cylinder No.3) Contribution / Balance

Trouble Code: P0269
Address: 0x0269
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 3 Contribution/Balance Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 3
– Faulty Fuel Injector 3
– Plugged Fuel Injector 3
– Fuel injector 3 harness is open or shorted
– Fuel injector 3 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0268

Technical Definition:

(Cylinder No.3) Injector Circuit High

Trouble Code: P0268
Address: 0x0268
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 3 Injector Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 3
– Faulty Fuel Injector 3
– Plugged Fuel Injector 3
– Fuel injector 3 harness is open or shorted
– Fuel injector 3 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0267

Technical Definition:

(Cylinder No.3) Injector Circuit Low

Trouble Code: P0267
Address: 0x0267
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 3 Injector Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 3
– Faulty Fuel Injector 3
– Plugged Fuel Injector 3
– Fuel injector 3 harness is open or shorted
– Fuel injector 3 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG

P0266

Technical Definition:

(Cylinder No.2) Contribution / Balance

Trouble Code: P0266
Address: 0x0266
System: Powertrain
Subsystem: Fuel and Air Metering

Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 2 Contribution/Balance Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Dirty Fuel Injector 2
– Faulty Fuel Injector 2
– Plugged Fuel Injector 2
– Fuel injector 2 harness is open or shorted
– Fuel injector 2 circuit poor electrical connection

Specific Makes:

– Engine Misfire
– Engine Run Rough
– Low MPG