P0452 CHEVROLET Fuel Tank Pressure Sensor Circuit Low Voltage

Possible causes – Faulty Fuel Tank Pressure Sensor– Fuel Tank Pressure Sensor harness is open or shorted– Fuel Tank Pressure Sensor circuit poor electrical connection Tech description On most Chevrolet vehicles the sensor is on top of the fuel tank. When is the obd code mean? An excessively low voltage from the sensor is sent…

P0030 CHEVROLET HO2S Heater Control Circuit Bank 1 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description…

P0135 CHEVROLET HO2S Heater Performance Bank 1 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description The…

P0031 CHEVROLET HO2S11 Heater Control Circuit Low Voltage

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Faulty Powertrain Control Module (PCM) Tech description…

P0032 CHEVROLET HO2S11 Heater Control Circuit High Voltage

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Faulty Powertrain Control Module (PCM) Tech description…

P0141 CHEVROLET O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description The…

P0036 CHEVROLET HO2S Heater Control Circuit Bank 1 Sensor 2

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description The code…

P0037 CHEVROLET HO2S12 Heater Control Circuit Low Voltage

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description The code…

P0038 CHEVROLET HO2S12 Heater Control Circuit High Voltage

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description The code…

P0155 CHEVROLET HO2S Heater Performance Bank 2 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection – Faulty Engine Control Module (ECM) Tech…