
2006 Cadillac CTS 2.8L MIL Lamp on
after we replaced both cats & all 4 heated o2 sensors things were good, engine code p420 was gone & oxygen readings were good, next day customer comes back with 2 codes [...], checked my scanner verified vehicle is running on open loop only, when cold its open...
FIX posted 3/14/2015
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Message Closed w/FIX
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VIN | 1G6DM57T46 |
Engine | 2.8 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection / EFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Hot |
Trouble Codes
P2231 | Oxygen Sensor (Bank 1 Sensor 1) Signal Circuit Shorted To Heater Circuit |
P2234 | ABS DTC External Quality Control Fault Present |
Message Closed w/FIX
Vehicle Data
2006 Cadillac CTS
VIN | 1G6DM57T46 |
Engine | 2.8 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection / EFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Hot |
Trouble Codes
P2231 | Oxygen Sensor (Bank 1 Sensor 1) Signal Circuit Shorted To Heater Circuit |
P2234 | ABS DTC External Quality Control Fault Present |