Powertrain Codes

P0670

Technical Definition:

Glow Plug Control Module Control Circuit / Open

Trouble Code: P0670
Address: 0x0670
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Glow Plug Control Module Circuit Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Glow Plug Control Module (GPCM)
– GPCM harness is open or shorted
– GPCM circuit poor electrical connection
– Faulty Engine Control Module (ECM)

Specific Makes:

P0671

Technical Definition:

(Cylinder No.1) Glow Plug Circuit / Open

Trouble Code: P0671
Address: 0x0671
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Cylinder 1 Glow Plug Circuit Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty cylinder #1 glow plug
– Cylinder #1 glow plug harness is open or shroted
– Cylinder #1 glow plug circuit poor electrical connection
– Faulty glow plug module

Specific Makes:

P0669

Technical Definition:

Powertrain Control Module (PCM) / Engine Control Module (ECM) / Transmission Control Module (TCM) Internal Temperature Sensor Circuit High

Trouble Code: P0669
Address: 0x0669
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0666

Technical Definition:

Powertrain Control Module (PCM) / Engine Control Module (ECM) / Transmission Control Module (TCM) Internal Temperature Sensor Circuit

Trouble Code: P0666
Address: 0x0666
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0667

Technical Definition:

Powertrain Control Module (PCM) / Engine Control Module (ECM) / Transmission Control Module (TCM) Internal Temperature Sensor Range / Performance

Trouble Code: P0667
Address: 0x0667
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0668

Technical Definition:

Powertrain Control Module (PCM) / Engine Control Module (ECM) / Transmission Control Module (TCM) Internal Temperature Sensor Circuit Low

Trouble Code: P0668
Address: 0x0668
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P0665

Technical Definition:

Intake Manifold Tuning Valve Control Circuit High (Bank 2a)

Trouble Code: P0665
Address: 0x0665
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Intake Manifold Tuning Valve Control Circuit High Bank 2

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Intake Manifold Tuning Valve (IMTV)
– Intake Manifold Tuning Valve harness is open or shorted
– Intake Manifold Tuning Valve circuit poor electrical connection

Specific Makes:

P0662

Technical Definition:

Intake Manifold Tuning Valve Control Circuit High (Bank 1a)

Trouble Code: P0662
Address: 0x0662
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Intake Manifold Tuning Valve Control Circuit High Bank 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Intake Manifold Tuning Valve (IMTV)
– Intake Manifold Tuning Valve harness is open or shorted
– Intake Manifold Tuning Valve circuit poor electrical connection

Specific Makes:

P0663

Technical Definition:

Intake Manifold Tuning Valve Control Circuit / Open (Bank 2a)

Trouble Code: P0663
Address: 0x0663
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Intake Manifold Tuning Valve Control Circuit Open Bank 2

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Intake Manifold Tuning Valve (IMTV)
– Intake Manifold Tuning Valve harness is open or shorted
– Intake Manifold Tuning Valve circuit poor electrical connection

Specific Makes:

P0664

Technical Definition:

Intake Manifold Tuning Valve Control Circuit Low (Bank 2a)

Trouble Code: P0664
Address: 0x0664
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Intake Manifold Tuning Valve Control Circuit Low Bank 2

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Intake Manifold Tuning Valve (IMTV)
– Intake Manifold Tuning Valve harness is open or shorted
– Intake Manifold Tuning Valve circuit poor electrical connection

Specific Makes:

P0660

Technical Definition:

Intake Manifold Tuning Valve Control Circuit / Open (Bank 1a)

Trouble Code: P0660
Address: 0x0660
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:

Possible Causes:

Possible Symptoms:

Intake Manifold Tuning Valve Control Circuit Open Bank 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Intake Manifold Tuning Valve (IMTV)
– Intake Manifold Tuning Valve harness is open or shorted
– Intake Manifold Tuning Valve circuit poor electrical connection

Specific Makes: