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2004 Cadillac DeVille 4.6L MIL Lamp on
Posted to GM Driveability on 9/10/2010 9 Replies

Vehicle had codes for all three O2 sensor heater circuits. B2S1 sensor heater element was open. Replaced the sensor. Cleared PCM. All three codes came back. O2 heater fuse is good. Checked ciruits for continuity. They check out good. Load tested circuits with ...

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  Related Documents & Media  2004 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

2004 Cadillac DeVille

VIN 1G6KD54Y64
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0130Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction
P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0150Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2004 Cadillac DeVille

VIN 1G6KD54Y64
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0130Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction
P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0150Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction