Powertrain Codes

P1821

Technical Definition:

Transfer Case Clockwise Shift Relay Coil Open Circuit

Trouble Code: P1821
Address: 0x1821
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission Transfer Case Clockwise Shift Relay Coil Open Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1822

Technical Definition:

Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery

Trouble Code: P1822
Address: 0x1822
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1820

Technical Definition:

Transfer Case Clockwise Shift Relay Coil Circuit Failure

Trouble Code: P1820
Address: 0x1820
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P181C

Technical Definition:

Clutch Actuator Changeover Solenoid High

Trouble Code: P181C
Address: 0x181C
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

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Specific Makes:

P181D

Technical Definition:

Clutch Actuator Changeover Solenoid Range/Performance

Trouble Code: P181D
Address: 0x181D
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

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Specific Makes:

P181E

Technical Definition:

Clutch Actuator Range/Performance

Trouble Code: P181E
Address: 0x181E
System: Powertrain
Subsystem:

Technical Description:

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Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P181F

Technical Definition:

Clutch Control System Performance

Trouble Code: P181F
Address: 0x181F
System: Powertrain
Subsystem:

Technical Description:

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OBD-II Trouble Code Type:

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Specific Makes:

P1819

Technical Definition:

Transmission Neutral Safety Switch Short Circuit To Ground

Trouble Code: P1819
Address: 0x1819
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission Neutral Safety Switch Short Circuit To Ground

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P181A

Technical Definition:

Clutch Actuator Changeover Solenoid / Open

Trouble Code: P181A
Address: 0x181A
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P181B

Technical Definition:

Clutch Actuator Changeover Solenoid Low

Trouble Code: P181B
Address: 0x181B
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

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Specific Makes:

P1816

Technical Definition:

Transmission Neutral Safety Switch Circuit Failure

Trouble Code: P1816
Address: 0x1816
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission Neutral Safety Switch Circuit Failure

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1817

Technical Definition:

Transmission Neutral Safety Switch Open Circuit

Trouble Code: P1817
Address: 0x1817
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission Neutral Safety Switch Open Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1818

Technical Definition:

Transmission Neutral Safety Switch Short Circuit To Battery

Trouble Code: P1818
Address: 0x1818
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission Neutral Safety Switch Short Circuit To Battery

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1815

Technical Definition:

4-Wheel Drive Mode Select Short Circuit To Ground

Trouble Code: P1815
Address: 0x1815
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission 4-Wheel Drive Mode Select Short Circuit To Ground

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1813

Technical Definition:

4-Wheel Drive Mode Select Open Circuit

Trouble Code: P1813
Address: 0x1813
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission 4-Wheel Drive Mode Select Open Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1814

Technical Definition:

4-Wheel Drive Mode Select Short Circuit To Battery

Trouble Code: P1814
Address: 0x1814
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission 4-Wheel Drive Mode Select Short Circuit To Battery

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1812

Technical Definition:

4-Wheel Drive Mode Select Circuit Failure

Trouble Code: P1812
Address: 0x1812
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission 4-Wheel Drive Mode Select Circuit Failure

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1808

Technical Definition:

4-Wheel Drive Low Indicator Circuit Failure

Trouble Code: P1808
Address: 0x1808
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission 4-Wheel Drive Low Indicator Circuit Failure

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1809

Technical Definition:

4-Wheel Drive Low Indicator Open Circuit

Trouble Code: P1809
Address: 0x1809
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Transmission 4-Wheel Drive Low Indicator Open Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1810

Technical Definition:

4-Wheel Drive Low Indicator Short Circuit To Battery

Trouble Code: P1810
Address: 0x1810
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

TFP Valve Position Switch Circuit/ Transmission 4-Wheel Drive Low Indicator Short Circuit To Battery

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes: