Powertrain Codes

P21C9

Technical Definition:

Reductant Control Module Power Relay/Relays Control Circuit High

Trouble Code: P21C9
Address: 0x21C9
System: Powertrain
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P21C4

Technical Definition:

Reductant Heater Relay Control Circuit High

Trouble Code: P21C4
Address: 0x21C4
System: Powertrain
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P21C5

Technical Definition:

Reductant Level Sensor A Stuck

Trouble Code: P21C5
Address: 0x21C5
System: Powertrain
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P21C2

Technical Definition:

Reductant Heater Relay Control Circuit Open

Trouble Code: P21C2
Address: 0x21C2
System: Powertrain
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P21C3

Technical Definition:

Reductant Heater Relay Control Circuit Low

Trouble Code: P21C3
Address: 0x21C3
System: Powertrain
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P21BF

Technical Definition:

Cold Start Cylinder 10 Injection Timing

Trouble Code: P21BF
Address: 0x21BF
System: Powertrain
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P21C0

Technical Definition:

Cold Start Cylinder 11 Injection Timing

Trouble Code: P21C0
Address: 0x21C0
System: Powertrain
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P21C1

Technical Definition:

Cold Start Cylinder 12 Injection Timing

Trouble Code: P21C1
Address: 0x21C1
System: Powertrain
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P21BE

Technical Definition:

Cold Start Cylinder 9 Injection Timing

Trouble Code: P21BE
Address: 0x21BE
System: Powertrain
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P21BA

Technical Definition:

Cold Start Cylinder 5 Injection Timing

Trouble Code: P21BA
Address: 0x21BA
System: Powertrain
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P21BB

Technical Definition:

Cold Start Cylinder 6 Injection Timing

Trouble Code: P21BB
Address: 0x21BB
System: Powertrain
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P21BC

Technical Definition:

Cold Start Cylinder 7 Injection Timing

Trouble Code: P21BC
Address: 0x21BC
System: Powertrain
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P21BD

Technical Definition:

Cold Start Cylinder 8 Injection Timing

Trouble Code: P21BD
Address: 0x21BD
System: Powertrain
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P21B9

Technical Definition:

Cold Start Cylinder 4 Injection Timing

Trouble Code: P21B9
Address: 0x21B9
System: Powertrain
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P21B5

Technical Definition:

NOX Adsorber – Over Temperature (Bank 2)

Trouble Code: P21B5
Address: 0x21B5
System: Powertrain
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P21B6

Technical Definition:

Cold Start Cylinder 1 Injection Timing

Trouble Code: P21B6
Address: 0x21B6
System: Powertrain
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P21B7

Technical Definition:

Cold Start Cylinder 2 Injection Timing

Trouble Code: P21B7
Address: 0x21B7
System: Powertrain
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P21B8

Technical Definition:

Cold Start Cylinder 3 Injection Timing

Trouble Code: P21B8
Address: 0x21B8
System: Powertrain
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P21B2

Technical Definition:

Excessive Time To Enter Closed Loop NOX Adsorber Control

Trouble Code: P21B2
Address: 0x21B2
System: Powertrain
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P21B3

Technical Definition:

Closed Loop NOX Adsorber Control At Limit – Too High

Trouble Code: P21B3
Address: 0x21B3
System: Powertrain
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