Powertrain Codes

P20FE

Technical Definition:

Reductant Metering Unit Performance

Trouble Code: P20FE
Address: 0x20FE
System: Powertrain
Subsystem:

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P20FF

Technical Definition:

Reductant Control Module Performance

Trouble Code: P20FF
Address: 0x20FF
System: Powertrain
Subsystem:

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Specific Makes:

P20FC

Technical Definition:

Reductant Pump B Control Circuit Low

Trouble Code: P20FC
Address: 0x20FC
System: Powertrain
Subsystem:

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Specific Makes:

P20FA

Technical Definition:

Reductant Pump B Control Circuit Open

Trouble Code: P20FA
Address: 0x20FA
System: Powertrain
Subsystem:

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P20FB

Technical Definition:

Reductant Pump B Control Range/Performance

Trouble Code: P20FB
Address: 0x20FB
System: Powertrain
Subsystem:

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P20F8

Technical Definition:

IMRC Circuit Performance (Bank 1)

Trouble Code: P20F8
Address: 0x20F8
System: Powertrain
Subsystem:

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P20F9

Technical Definition:

IMRC Circuit Performance (Bank 2)

Trouble Code: P20F9
Address: 0x20F9
System: Powertrain
Subsystem:

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OBD-II Trouble Code Type:

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P20F6

Technical Definition:

Reductant Injection Valve Stuck Open (Bank 1 Unit 1)

Trouble Code: P20F6
Address: 0x20F6
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Valve Stuck Open Bank 1 Unit 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

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Specific Makes:

P20F7

Technical Definition:

Reductant Injection Valve Stuck Open (Bank 2 Unit 1)

Trouble Code: P20F7
Address: 0x20F7
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Injection Valve Stuck Open Bank 2 Unit 1

Possible Solutions:

OBD-II Trouble Code Type:

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P20F3

Technical Definition:

SCR NOx Pre-Catalyst Efficiency Below Threshold (Bank 2)

Trouble Code: P20F3
Address: 0x20F3
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

SCR NOx Pre- Catalyst Efficiency Below Threshold Bank 2

Possible Solutions:

OBD-II Trouble Code Type:

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P20F4

Technical Definition:

Reductant Consumption Too Low

Trouble Code: P20F4
Address: 0x20F4
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Consumption Too Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

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Specific Makes:

P20F5

Technical Definition:

Reductant Consumption Too High

Trouble Code: P20F5
Address: 0x20F5
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Reductant Consumption Too High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

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Specific Makes:

P20F2

Technical Definition:

SCR NOx Catalyst Efficiency Below Threshold (Bank 2)

Trouble Code: P20F2
Address: 0x20F2
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

SCR NOx Catalyst Efficiency Below Threshold Bank 2

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20EF

Technical Definition:

SCR NOx Pre-Catalyst Efficiency Below Threshold (Bank 1)

Trouble Code: P20EF
Address: 0x20EF
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

SCR NOx Pre- Catalyst Efficiency Below Threshold Bank 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20F0

Technical Definition:

SCR NOx Catalyst – Over Temperature (Bank 2)

Trouble Code: P20F0
Address: 0x20F0
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

SCR NOx Catalyst

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20F1

Technical Definition:

SCR NOx Pre-Catalyst – Over Temperature (Bank 2)

Trouble Code: P20F1
Address: 0x20F1
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

SCR NOx Pre-Catalyst

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

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Specific Makes:

P20EB

Technical Definition:

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

Trouble Code: P20EB
Address: 0x20EB
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:

P20EC

Technical Definition:

SCR NOx Catalyst – Over Temperature (Bank 1)

Trouble Code: P20EC
Address: 0x20EC
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

SCR NOx Catalyst

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20ED

Technical Definition:

SCR NOx Pre-Catalyst – Over Temperature (Bank 1)

Trouble Code: P20ED
Address: 0x20ED
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

SCR NOx Pre-Catalyst

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P20EE

Technical Definition:

SCR NOx Catalyst Efficiency Below Threshold (Bank 1)

Trouble Code: P20EE
Address: 0x20EE
System: Powertrain
Subsystem: