P0053 – HO2S Heater Resistance (Bank 1, Sensor 1) Description: Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater
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P0054 – HO2S Heater Resistance (Bank 1, Sensor 2) Description:Possible Causes: Diagnostic Aids: SeeSee See thethe the description for DTC P0053.possible causes for DTC
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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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• Crossed HO2S harness connectors
• Crossed HO2S wiring at the harness connectors
• Crossed HO2S wiring at the PCM connectors
The post P0040 – Oxygen Sensor Signals Swapped Bank 1 Sensor 1/Bank 2 Sensor 1 appeared first on Mechanic Handbook.
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) 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.
• Crossed HO2S harness connectors
• Crossed HO2S wiring at the harness connectors
• Crossed HO2S wiring at the PCM connectors
The post P0040 – Oxygen Sensor Signals Swapped Bank 1 Sensor 1/Bank 2 Sensor 1 appeared first on Mechanic Handbook.
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.
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)
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P0037 - HO2S Heater Control Circuit Low (P0038 - HO2S Heater Control Circuit High (Bank 1, Sensor 2)Bank 1, Sensor 2)
The post P0038 – HO2S Heater Control Circuit High (Bank 1, Sensor 2) appeared first on Mechanic Handbook.
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)
The post P0037 – HO2S Heater Control Circuit Low (Bank 1, Sensor 2) appeared first on Mechanic Handbook.
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