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Tag: P0643

P0643 FORD Sensor Reference Voltage A Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

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Posted in OBDII Powertrain(P) Codes    Tagged ford, P0643   

P0643 Sensor Reference Voltage A Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

Read More P0643 Sensor Reference Voltage A Circuit High
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P0643 SUZUKI 5 Volt Reference 1 Circuit High Voltage

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

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Posted in OBDII Powertrain(P) Codes    Tagged P0643, SUZUKI   

P0643 VOLKSWAGEN Sensor Reference Voltage A Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

Read More P0643 VOLKSWAGEN Sensor Reference Voltage A Circuit High
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P0643 KIA Sensor Reference Voltage A Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

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Posted in OBDII Powertrain(P) Codes    Tagged kia, P0643   

P0643 ISUZU 5 Volt Reference 1 Circuit High Voltage

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

Read More P0643 ISUZU 5 Volt Reference 1 Circuit High Voltage
Posted in OBDII Powertrain(P) Codes    Tagged ISUZU, P0643   

P0643 JEEP Sensor Reference Voltage 1 Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

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Posted in OBDII Powertrain(P) Codes    Tagged jeep, P0643   

P0643 HYUNDAI Sensor Reference Voltage A Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

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Posted in OBDII Powertrain(P) Codes    Tagged hyundai, P0643   

P0643 CHRYSLER Sensor Reference Voltage 1 Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

Read More P0643 CHRYSLER Sensor Reference Voltage 1 Circuit High
Posted in OBDII Powertrain(P) Codes    Tagged chrysler, P0643   

P0643 DODGE Sensor Reference Voltage 1 Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

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Posted in OBDII Powertrain(P) Codes    Tagged dodge, P0643   

P0643 AUDI Sensor Reference Voltage A Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

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Posted in OBDII Powertrain(P) Codes    Tagged AUDI, P0643   

P0643 MITSUBISHI Primary 5 Volt Supply Circuit High

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the code detected? The Engine Control Module (ECM) has detected the sensor 5

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P0643 NISSAN Sensor Power Supply Circuit Short

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit– Accelerator pedal position sensor (APP sensor 1)– Power steering pressure sensor– EVAP control system pressure

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P0643 INFINITI Sensor Power Supply Circuit Short

Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit– Accelerator pedal position sensor (APP sensor 1)– Power steering pressure sensor– EVAP control system pressure

Read More P0643 INFINITI Sensor Power Supply Circuit Short
Posted in OBDII Powertrain(P) Codes    Tagged infiniti, P0643   

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