Category: Chevrolet

P2436 Chevrolet Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2)

P2436 Chevrolet Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2) OBD Code: System: Subsystem:  P2436 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected…

P2437 Chevrolet Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low (Bank 2)

P2437 Chevrolet Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low (Bank 2) OBD Code: System: Subsystem:  P2437 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low (Bank 2) Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Lower Than…

P2438 Chevrolet Secondary Air Injection System Air Flow / Pressure Sensor Circuit High (Bank 2)

P2438 Chevrolet Secondary Air Injection System Air Flow / Pressure Sensor Circuit High (Bank 2) OBD Code: System: Subsystem:  P2438 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit High (Bank 2) Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Higher Than…

P2432 Chevrolet Secondary Air Injection System Pressure Sensor Circuit Low Voltage

P2432 Chevrolet Secondary Air Injection System Pressure Sensor Circuit Low Voltage Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2432 Chevrolet Description The Secondary Air Injection (AIR) System aids in…

P2433 Chevrolet Secondary Air Injection System Pressure Sensor Circuit High Voltage

P2433 Chevrolet Secondary Air Injection System Pressure Sensor Circuit High Voltage Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection What about the obd code? The PCM has detected a high voltage condition on the AIR Pressure Sensor signal circuit Symptoms –…

P2434 Chevrolet Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 1)

P2434 Chevrolet Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 1) OBD Code: System: Subsystem:  P2434 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 1) Location: Analysis: Possible Causes:  Bank 1  Periodically Unstable Circuit…

P242E Chevrolet Exhaust Gas Temperature Sensor Circuit Intermittent / Erratic (Bank 1 – Sensor 3)

P242E Chevrolet Exhaust Gas Temperature Sensor Circuit Intermittent / Erratic (Bank 1 – Sensor 3) OBD Code: System: Subsystem:  P242E Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit Intermittent / Erratic (Bank 1 – Sensor 3) Location: Analysis: Possible Causes:  Bank 1 – Sensor 3  Periodically Unstable Circuit  …

P242F Chevrolet Diesel Particulate Filter Restriction Ash Accumulation

P242F Chevrolet Diesel Particulate Filter Restriction Ash Accumulation OBD Code: System: Subsystem:  P242F Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Restriction Ash Accumulation Location: Analysis: Possible Causes:       Tech description:

P2431 Chevrolet Secondary Air Injection System Pressure Sensor Signal Performance Fault

P2431 Chevrolet Secondary Air Injection System Pressure Sensor Signal Performance Fault Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection What about the obd code? The AIR Pressure Sensor is reporting a pressure greater than or less than expected during the system…

P242B Chevrolet Exhaust Gas Temperature Sensor Circuit Range / Performance (Bank 1 – Sensor 3)

P242B Chevrolet Exhaust Gas Temperature Sensor Circuit Range / Performance (Bank 1 – Sensor 3) OBD Code: System: Subsystem:  P242B Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit Range / Performance (Bank 1 – Sensor 3) Location: Analysis: Possible Causes:  Bank 1 – Sensor 3  Out of Expected Range…

P242C Chevrolet Exhaust Gas Temperature Sensor Circuit Low (Bank 1 – Sensor 3)

P242C Chevrolet Exhaust Gas Temperature Sensor Circuit Low (Bank 1 – Sensor 3) OBD Code: System: Subsystem:  P242C Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit Low (Bank 1 – Sensor 3) Location: Analysis: Possible Causes:  Bank 1 – Sensor 3  End of Range – Circuit Lower Than Expected…

P242D Chevrolet Exhaust Gas Temperature Sensor Circuit High (Bank 1 – Sensor 3)

P242D Chevrolet Exhaust Gas Temperature Sensor Circuit High (Bank 1 – Sensor 3) OBD Code: System: Subsystem:  P242D Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit High (Bank 1 – Sensor 3) Location: Analysis: Possible Causes:  Bank 1 – Sensor 3  End of Range – Circuit Higher Than Expected…

P242A Chevrolet Exhaust Gas Temperature Sensor Circuit (Bank 1 – Sensor 3)

P242A Chevrolet Exhaust Gas Temperature Sensor Circuit (Bank 1 – Sensor 3) OBD Code: System: Subsystem:  P242A Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Temperature Sensor Circuit (Bank 1 – Sensor 3) Location: Analysis: Possible Causes:  Bank 1 – Sensor 3  Circuit Issue   Tech description:

P2427 Chevrolet Exhaust Gas Recirculation (EGR) Cooling Valve Control Circuit High

P2427 Chevrolet Exhaust Gas Recirculation (EGR) Cooling Valve Control Circuit High OBD Code: System: Subsystem:  P2427 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooling Valve Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2428 Chevrolet Exhaust Gas Temperature Too High (Bank 1)

P2428 Chevrolet Exhaust Gas Temperature Too High (Bank 1) OBD Code: System: Subsystem:  P2428 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Temperature Too High (Bank 1) Location: Analysis: Possible Causes:  Bank 1     Tech description:

P2429 Chevrolet Exhaust Gas Temperature Too High (Bank 2)

P2429 Chevrolet Exhaust Gas Temperature Too High (Bank 2) OBD Code: System: Subsystem:  P2429 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Temperature Too High (Bank 2) Location: Analysis: Possible Causes:  Bank 2     Tech description:

P2423 Chevrolet HC Adsorption Catalyst Efficiency Below Threshold (Bank 1)

P2423 Chevrolet HC Adsorption Catalyst Efficiency Below Threshold (Bank 1) OBD Code: System: Subsystem:  P2423 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: HC Adsorption Catalyst Efficiency Below Threshold (Bank 1) Location: Analysis: Possible Causes:  Bank 1     Tech description:

P2424 Chevrolet HC Adsorption Catalyst Efficiency Below Threshold (Bank 2)

P2424 Chevrolet HC Adsorption Catalyst Efficiency Below Threshold (Bank 2) OBD Code: System: Subsystem:  P2424 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: HC Adsorption Catalyst Efficiency Below Threshold (Bank 2) Location: Analysis: Possible Causes:  Bank 2     Tech description: