Powertrain Codes

P20AF

Technical Definition:

Reductant Metering Unit Temperature Sensor Circuit High

Trouble Code: P20AF
Address: 0x20AF
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Metering Unit Temperature Sensor Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20B0

Technical Definition:

Reductant Metering Unit Temperature Sensor Circuit Intermittent/Erratic

Trouble Code: P20B0
Address: 0x20B0
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Metering Unit Temperature Sensor Circuit Intermittent/Erratic

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20AC

Technical Definition:

Reductant Metering Unit Temperature Sensor Circuit

Trouble Code: P20AC
Address: 0x20AC
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Metering Unit Temperature Sensor Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20AA

Technical Definition:

Reductant Injection Air Pressure Control Valve Stuck Open

Trouble Code: P20AA
Address: 0x20AA
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Air Pressure Control Valve Stuck Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20AB

Technical Definition:

Reductant Injection Air Pressure Control Valve Stuck Closed

Trouble Code: P20AB
Address: 0x20AB
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Air Pressure Control Valve Stuck Closed

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A7

Technical Definition:

Reductant Injection Air Pressure Control Valve Performance

Trouble Code: P20A7
Address: 0x20A7
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Air Pressure Control Valve Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A8

Technical Definition:

Reductant Injection Air Pressure Control Valve Circuit Low

Trouble Code: P20A8
Address: 0x20A8
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Air Pressure Control Valve Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A9

Technical Definition:

Reductant Injection Air Pressure Control Valve Circuit High

Trouble Code: P20A9
Address: 0x20A9
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Air Pressure Control Valve Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A6

Technical Definition:

Reductant Injection Air Pressure Control Valve Circuit / Open

Trouble Code: P20A6
Address: 0x20A6
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Air Pressure Control Valve Circuit/Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A3

Technical Definition:

Reductant Purge Control Valve Circuit High

Trouble Code: P20A3
Address: 0x20A3
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Purge Control Valve Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A4

Technical Definition:

Reductant Purge Control Valve Stuck Open

Trouble Code: P20A4
Address: 0x20A4
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Purge Control Valve Stuck Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A5

Technical Definition:

Reductant Purge Control Valve Stuck Closed

Trouble Code: P20A5
Address: 0x20A5
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Purge Control Valve Stuck Closed

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A2

Technical Definition:

Reductant Purge Control Valve Circuit Low

Trouble Code: P20A2
Address: 0x20A2
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Purge Control Valve Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P209F

Technical Definition:

Reductant Tank Heater Control Performance

Trouble Code: P209F
Address: 0x209F
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Tank Heater Control Circuit Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A0

Technical Definition:

Reductant Purge Control Valve Circuit / Open

Trouble Code: P20A0
Address: 0x20A0
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Purge Control Valve Circuit /Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20A1

Technical Definition:

Reductant Purge Control Valve Performance

Trouble Code: P20A1
Address: 0x20A1
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Purge Control Valve Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P209C

Technical Definition:

Reductant Injection Air Pressure Sensor B Circuit Low

Trouble Code: P209C
Address: 0x209C
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P209D

Technical Definition:

Reductant Injection Air Pressure Sensor B Circuit High

Trouble Code: P209D
Address: 0x209D
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P209E

Technical Definition:

Reductant Injection Air Pressure Sensor A/B Correlation

Trouble Code: P209E
Address: 0x209E
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P209A

Technical Definition:

Reductant Injection Air Pressure Sensor B Circuit

Trouble Code: P209A
Address: 0x209A
System: Powertrain
Subsystem: