Powertrain Codes

P1102

Technical Definition:

Mass Air Flow Sensor In Range But Lower Than Expected

Trouble Code: P1102
Address: 0x1102
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Mass Air Flow Sensor In Range But Lower Than Expected

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P1103

Technical Definition:

Mass Air Flow Sensor In Range But Higher Than Expected

Trouble Code: P1103
Address: 0x1103
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Mass Air Flow Sensor In Range But Higher Than Expected

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Mass Airflow Sensor (MAF)
– Mass Airflow Sensor harness is open or shorted
– Mass Airflow Sensor circuit poor electrical connection

Specific Makes:

P1104

Technical Definition:

Mass Air Flow Sensor Circuit Ground

Trouble Code: P1104
Address: 0x1104
System: Powertrain
Subsystem:

Technical Description:

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Possible Symptoms:

Mass Air Flow Ground Malfunction

Possible Solutions:

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Specific Makes:

P1101

Technical Definition:

Mass Air Flow Sensor Out Of Self Test Range

Trouble Code: P1101
Address: 0x1101
System: Powertrain
Subsystem:

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Specific Makes:

P1072

Technical Definition:

Alternative Fuel System Too Rich (Bank 1)

Trouble Code: P1072
Address: 0x1072
System: Powertrain
Subsystem:

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Specific Makes:

P1074

Technical Definition:

Alternative Fuel System Too Lean (Bank 2)

Trouble Code: P1074
Address: 0x1074
System: Powertrain
Subsystem:

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Specific Makes:

P1075

Technical Definition:

Alternative Fuel System Too Rich (Bank 2)

Trouble Code: P1075
Address: 0x1075
System: Powertrain
Subsystem:

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Specific Makes:

P1100

Technical Definition:

Mass Air Flow Sensor Circuit Intermittent

Trouble Code: P1100
Address: 0x1100
System: Powertrain
Subsystem:

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Specific Makes:

P103A

Technical Definition:

Fuel Injector Heater Control Module Monitor Circuit

Trouble Code: P103A
Address: 0x103A
System: Powertrain
Subsystem:

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Specific Makes:

P103B

Technical Definition:

Fuel Injector Heater Control Module Performance

Trouble Code: P103B
Address: 0x103B
System: Powertrain
Subsystem:

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Specific Makes:

P1048

Technical Definition:

Alternative Fuel Delivery Error

Trouble Code: P1048
Address: 0x1048
System: Powertrain
Subsystem:

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Specific Makes:

P1071

Technical Definition:

Alternative Fuel System Too Lean (Bank 1)

Trouble Code: P1071
Address: 0x1071
System: Powertrain
Subsystem:

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Specific Makes:

P1039

Technical Definition:

Fuel Injector Heater Control Module System Voltage

Trouble Code: P1039
Address: 0x1039
System: Powertrain
Subsystem:

Technical Description:

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Specific Makes:

P1035

Technical Definition:

Cylinder 3 Fuel Injector Heater Circuit High

Trouble Code: P1035
Address: 0x1035
System: Powertrain
Subsystem:

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Specific Makes:

P1036

Technical Definition:

Cylinder 4 Fuel Injector Heater Circuit Low

Trouble Code: P1036
Address: 0x1036
System: Powertrain
Subsystem:

Technical Description:

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Specific Makes:

P1037

Technical Definition:

Cylinder 4 Fuel Injector Heater Circuit High

Trouble Code: P1037
Address: 0x1037
System: Powertrain
Subsystem:

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Specific Makes:

P1038

Technical Definition:

Fuel Injector Heater Control Module Control Circuit

Trouble Code: P1038
Address: 0x1038
System: Powertrain
Subsystem:

Technical Description:

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Specific Makes:

P1031

Technical Definition:

Cylinder 1 Fuel Injector Heater Circuit High

Trouble Code: P1031
Address: 0x1031
System: Powertrain
Subsystem:

Technical Description:

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Specific Makes:

P1032

Technical Definition:

Cylinder 2 Fuel Injector Heater Circuit Low

Trouble Code: P1032
Address: 0x1032
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1033

Technical Definition:

Cylinder 2 Fuel Injector Heater Circuit High

Trouble Code: P1033
Address: 0x1033
System: Powertrain
Subsystem: