P066B (Glow Plug 1) Control Circuit High OBD Code: System: Subsystem: P066B – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 1) Control Circuit High Location: Analysis: Possible Causes: Glow Plug 1 End of Range – Circuit Higher Than Expected Tech description:
Category: OBDii Powertrain Codes
P0664 Intake Manifold Tuning Valve Control Circuit Low Bank 2
P0664 Intake Manifold Tuning Valve Control Circuit Low Bank 2 Possible causes – Faulty Intake Manifold Tuning Valve (IMTV)– Intake Manifold Tuning Valve harness is open or shorted– Intake Manifold Tuning Valve circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) has detected a low signal from the Intake Manifold…
P0665 Intake Manifold Tuning Valve Control Circuit High Bank 2
P0665 Intake Manifold Tuning Valve Control Circuit High Bank 2 Possible causes – Faulty Intake Manifold Tuning Valve (IMTV)– Intake Manifold Tuning Valve harness is open or shorted– Intake Manifold Tuning Valve circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) has detected a high signal from the Intake Manifold…
P0666 PCM/ECM/TCM Internal Temperature Sensor A Circuit
P0666 PCM/ECM/TCM Internal Temperature Sensor A Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0667 PCM/ECM/TCM Internal Temperature Sensor A Range/Performance
P0667 PCM/ECM/TCM Internal Temperature Sensor A Range/Performance Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0668 DME Internal Fault Interior Temperature Sensor Signal
P0668 DME Internal Fault Interior Temperature Sensor Signal Possible causes – Open or shorted interior temperature sensor circuit condition– Poor interior temperature sensor electrical connection– Faulty ECM /TCM Tech description Replace DME as sensor is internal component Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0668 Description PCM/ECM/TCM internal temperature sensor circuit…
P0669 DME Internal Fault Interior Temperature Sensor Signal
P0669 DME Internal Fault Interior Temperature Sensor Signal Possible causes – Open or shorted interior temperature sensor circuit condition– Poor interior temperature sensor electrical connection– Faulty ECM /TCM Tech description Replace DME as sensor is internal component Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0669 Description PCM/ECM/TCM internal temperature sensor circuit…
P0657 Actuator Supply Voltage A Circuit Open
P0657 Actuator Supply Voltage A Circuit Open Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– ECM Programming Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0657 Description The Transmission Control Moduel (TCM) has detected a voltage supply fault to the hydraulic…
P0658 Actuator Supply Voltage A Circuit Low
P0658 Actuator Supply Voltage A Circuit Low Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– ECM Programming What about the obd code? The Engine Control Module (ECM) has detected a low voltage to the transmission control solenoids. Symptoms – Engine Light ON (or Service…
P0659 Actuator Supply Voltage A Circuit High
P0659 Actuator Supply Voltage A Circuit High Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– ECM Programming What about the obd code? The Engine Control Module (ECM) has detected a high voltage to the transmission control solenoids. Symptoms – Engine Light ON (or Service…
P065A Generator System Performance
P065A Generator System Performance OBD Code: System: Subsystem: P065A – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Generator System Performance Location: Analysis: Possible Causes: Tech description:
P065B Generator Control Circuit Range / Performance
P065B Generator Control Circuit Range / Performance OBD Code: System: Subsystem: P065B – (ASE) Powertrain Computer and Auxiliary Output Circuits Trouble Code Description: Generator Control Circuit Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description:
P0660 Intake Manifold Tuning Valve Control Circuit Open Bank 1
P0660 Intake Manifold Tuning Valve Control Circuit Open Bank 1 Possible causes – Faulty Intake Manifold Tuning Valve (IMTV)– Intake Manifold Tuning Valve harness is open or shorted– Intake Manifold Tuning Valve circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) has detected an improper signal from the Intake Manifold…
P0661 Intake Manifold Runner Control Valve Position Sensor Circuit Low Voltage
P0661 Intake Manifold Runner Control Valve Position Sensor Circuit Low Voltage Possible causes – Faulty Intake Manifold Runner Control (IMRC)– Intake Manifold Runner Control harness is open or shorted– Intake Manifold Runner Control circuit poor electrical connection What about the obd code? If the output voltage from the Intake Manifold Runner Control (IMRC) valve position…
P0662 Intake Manifold Runner Control Valve Position Sensor Circuit High Voltage
P0662 Intake Manifold Runner Control Valve Position Sensor Circuit High Voltage Possible causes – Faulty Intake Manifold Runner Control (IMRC)– Intake Manifold Runner Control harness is open or shorted– Intake Manifold Runner Control circuit poor electrical connection What about the obd code? If the output voltage from the Intake Manifold Runner Control (IMRC) valve position…
P0663 Intake Manifold Tuning Valve Control Circuit Open Bank 2
P0663 Intake Manifold Tuning Valve Control Circuit Open Bank 2 Possible causes – Faulty Intake Manifold Tuning Valve (IMTV)– Intake Manifold Tuning Valve harness is open or shorted– Intake Manifold Tuning Valve circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) has detected an improper signal from the Intake Manifold…
P0656 Fuel Level Output Circuit Malfunction
P0656 Fuel Level Output Circuit Malfunction Possible causes – Faulty Fuel Level Gauge– Fuel Level Gauge harness is open or shorted– Fuel Level Gauge circuit poor electrical connection– Faulty Powertrain Control Module (PCM) What about the obd code? If the fault detection circuit senses a voltage other than what the PCM expects, the fault line…
P0649 Speed Control Lamp Control Circuit
P0649 Speed Control Lamp Control Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0650 Malfunction Indicator Lamp Control Circuit Malfunction
P0650 Malfunction Indicator Lamp Control Circuit Malfunction Possible causes – Faulty Malfunction Indicator Lamp Bulb– Malfunction Indicator Lamp Bulb harness is open or shorted– Malfunction Indicator Lamp Bulb circuit poor electrical connection– Faulty Engine Control Module (ECM) What about the obd code? – An excessively high voltage is sent to Engine Control Module (ECM) through…
P0651 Sensor Reference Voltage B Circuit Fault
P0651 Sensor Reference Voltage B Circuit Fault Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit What about the obd code? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher or lower…