Powertrain Codes

P20E8

Technical Definition:

Reductant Pressure Too Low

Trouble Code: P20E8
Address: 0x20E8
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Pressure Too Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E9

Technical Definition:

Reductant Pressure Too High

Trouble Code: P20E9
Address: 0x20E9
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Pressure Too High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20EA

Technical Definition:

Reductant Control Module Power Relay De-Energized Performance – Too Early

Trouble Code: P20EA
Address: 0x20EA
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Control Module Power Relay De-Energized Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E7

Technical Definition:

Reductant Injection Air Pressure Too High

Trouble Code: P20E7
Address: 0x20E7
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Air Pressure Too High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E5

Technical Definition:

Exhaust Gas Temperature Sensor 1/2 Correlation Bank 2

Trouble Code: P20E5
Address: 0x20E5
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Gas Temperature Sensor 1/2 Correlation Bank 2

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E6

Technical Definition:

Reductant Injection Air Pressure Too Low

Trouble Code: P20E6
Address: 0x20E6
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Air Pressure Too Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E4

Technical Definition:

Exhaust Gas Temperature Sensor 2/3 Correlation Bank 1

Trouble Code: P20E4
Address: 0x20E4
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Gas Temperature Sensor 2/3 Correlation Bank 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E0

Technical Definition:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit High

Trouble Code: P20E0
Address: 0x20E0
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E1

Technical Definition:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit Intermittent/Erratic

Trouble Code: P20E1
Address: 0x20E1
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit Intermittent/Erratic

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E2

Technical Definition:

Exhaust Gas Temperature Sensor 1/2 Correlation Bank 1

Trouble Code: P20E2
Address: 0x20E2
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Gas Temperature Sensor 1/2 Correlation Bank 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20E3

Technical Definition:

Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1

Trouble Code: P20E3
Address: 0x20E3
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20DE

Technical Definition:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit Range/Performance

Trouble Code: P20DE
Address: 0x20DE
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit Range/Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20DF

Technical Definition:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit Low

Trouble Code: P20DF
Address: 0x20DF
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20DC

Technical Definition:

Exhaust Aftertreatment Fuel Supply Control Stuck Closed

Trouble Code: P20DC
Address: 0x20DC
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Supply Control Stuck Closed

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20DD

Technical Definition:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit

Trouble Code: P20DD
Address: 0x20DD
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Pressure Sensor Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20D9

Technical Definition:

Exhaust Aftertreatment Fuel Supply Control Circuit Low

Trouble Code: P20D9
Address: 0x20D9
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Supply Control Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20DA

Technical Definition:

Exhaust Aftertreatment Fuel Supply Control Circuit High

Trouble Code: P20DA
Address: 0x20DA
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Supply Control Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20DB

Technical Definition:

Exhaust Aftertreatment Fuel Supply Control Stuck Open

Trouble Code: P20DB
Address: 0x20DB
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Aftertreatment Fuel Supply Control Stuck Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20D6

Technical Definition:

Exhaust Aftertreatment Fuel Injector B Stuck Closed

Trouble Code: P20D6
Address: 0x20D6
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20D7

Technical Definition:

Exhaust Aftertreatment Fuel Supply Control Circuit / Open

Trouble Code: P20D7
Address: 0x20D7
System: Powertrain
Subsystem: