Powertrain Codes

P1641

Technical Definition:

Fuel Pump Primary Circuit

Trouble Code: P1641
Address: 0x1641
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Primary Circuit Failure

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P163D

Technical Definition:

Generator B Field Terminal Circuit High

Trouble Code: P163D
Address: 0x163D
System: Powertrain
Subsystem:

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Specific Makes:

P163E

Technical Definition:

Transmission Control Module Programming Error

Trouble Code: P163E
Address: 0x163E
System: Powertrain
Subsystem:

Technical Description:

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Specific Makes:

P163C

Technical Definition:

Generator B Field Terminal Circuit Low

Trouble Code: P163C
Address: 0x163C
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

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Specific Makes:

P1638

Technical Definition:

CAN Link ECM/INSTM Circuit/Network

Trouble Code: P1638
Address: 0x1638
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Can Link ECM/INSTM Circuit / Net

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P1639

Technical Definition:

Vehicle ID Block Corrupted, Not Programmed

Trouble Code: P1639
Address: 0x1639
System: Powertrain
Subsystem:

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Specific Makes:

P163A

Technical Definition:

Generator B Control Circuit

Trouble Code: P163A
Address: 0x163A
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

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Specific Makes:

P163B

Technical Definition:

Generator B Field Terminal Circuit

Trouble Code: P163B
Address: 0x163B
System: Powertrain
Subsystem:

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Specific Makes:

P1635

Technical Definition:

Tire/Axle Out of Acceptable Range

Trouble Code: P1635
Address: 0x1635
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Tire / Axle Ratio Out of Acceptable Range

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P1636

Technical Definition:

Inductive Signature Chip Communication Error

Trouble Code: P1636
Address: 0x1636
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Inductive Signature Chip Communication Error

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P1637

Technical Definition:

CAN Link ECM/ABS Control Module Circuit/Network

Trouble Code: P1637
Address: 0x1637
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Can Link ECM/ABSCM Circuit / Net

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P1633

Technical Definition:

Keep Alive Power Voltage Too Low

Trouble Code: P1633
Address: 0x1633
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

KAM Voltage Too Low

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P1634

Technical Definition:

Data Output Link Circuit

Trouble Code: P1634
Address: 0x1634
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Data Output Link Circuit Failure

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

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Specific Makes:

P1632

Technical Definition:

Smart Alternator Faults Sensor / Circuit

Trouble Code: P1632
Address: 0x1632
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Smart Alternator Faults Sensor/Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P162F

Technical Definition:

Starter Motor Disabled – Engine Crank Time Too Long

Trouble Code: P162F
Address: 0x162F
System: Powertrain
Subsystem:

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Specific Makes:

P1630

Technical Definition:

Internal Vref

Trouble Code: P1630
Address: 0x1630
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Internal Vref Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P1631

Technical Definition:

Main Relay (power hold)

Trouble Code: P1631
Address: 0x1631
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

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Specific Makes:

P162B

Technical Definition:

Sensor Reference Voltage D Circuit Low

Trouble Code: P162B
Address: 0x162B
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

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Specific Makes:

P162C

Technical Definition:

Sensor Reference Voltage D Circuit High

Trouble Code: P162C
Address: 0x162C
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P162D

Technical Definition:

Internal Control Module Cruise Control Performance

Trouble Code: P162D
Address: 0x162D
System: Powertrain
Subsystem: