P0050 – HO2S Heater Control Circuit (Bank 2, Sensor 1)

P0050 – HO2S Heater Control Circuit (Bank 2, Sensor 1) Description: Possible Causes:Diagnostic Aids: See SeeSee the thethe description for DTC P0030. possible causes

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P0040 – Oxygen Sensor Signals Swapped Bank 1 Sensor 1/Bank 2 Sensor 1

•  Crossed HO2S harness connectors
•  Crossed HO2S wiring at the harness connectors
•  Crossed HO2S wiring at the PCM connectors

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P0041 – Oxygen Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2

Crossed HO2S harness connectors
•  Crossed HO2S wiring at the harness connectors
•  Crossed HO2S wiring at the PCM connectors

The post P0041 – Oxygen Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2 appeared first on Mechanic Handbook.

P0050 – HO2S Heater Control Circuit (Bank 2, Sensor 1)

P0050 – HO2S Heater Control Circuit (Bank 2, Sensor 1) Description: Possible Causes:Diagnostic Aids: See SeeSee the thethe description for DTC P0030. possible causes

The post P0050 – HO2S Heater Control Circuit (Bank 2, Sensor 1) appeared first on Mechanic Handbook.

P0040 – Oxygen Sensor Signals Swapped Bank 1 Sensor 1/Bank 2 Sensor 1

•  Crossed HO2S harness connectors
•  Crossed HO2S wiring at the harness connectors
•  Crossed HO2S wiring at the PCM connectors

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P0041 – Oxygen Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2

Crossed HO2S harness connectors
•  Crossed HO2S wiring at the harness connectors
•  Crossed HO2S wiring at the PCM connectors

The post P0041 – Oxygen Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2 appeared first on Mechanic Handbook.

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P0036 – HO2S Heater Control Circuit (Bank 1, Sensor 2)

  VPWR circuit open
• HO2S heater circuit open
•  HO2S heater circuit short in the harness
• Incorrect connections
• Damaged or corroded terminals
•  Exhaust temperature significantly higher than expected
•  Damaged HO2S

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P0037 – HO2S Heater Control Circuit Low (Bank 1, Sensor 2)

P0037 - HO2S Heater Control Circuit Low (Bank 1, Sensor 2)

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P0038 – HO2S Heater Control Circuit High (Bank 1, Sensor 2)

P0037 - HO2S Heater Control Circuit Low (P0038 - HO2S Heater Control Circuit High (Bank 1, Sensor 2)Bank 1, Sensor 2)

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P0036 – HO2S Heater Control Circuit (Bank 1, Sensor 2)

  VPWR circuit open
• HO2S heater circuit open
•  HO2S heater circuit short in the harness
• Incorrect connections
• Damaged or corroded terminals
•  Exhaust temperature significantly higher than expected
•  Damaged HO2S

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P0037 – HO2S Heater Control Circuit Low (Bank 1, Sensor 2)

P0037 - HO2S Heater Control Circuit Low (Bank 1, Sensor 2)

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P0038 – HO2S Heater Control Circuit High (Bank 1, Sensor 2)

P0037 - HO2S Heater Control Circuit Low (P0038 - HO2S Heater Control Circuit High (Bank 1, Sensor 2)Bank 1, Sensor 2)

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P0035 – Turbocharger/Supercharger Bypass Valve A Control Circuit High

  Damaged turbocharger bypass (TCBY) valve
• TCBY circuit open or short to voltage

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