Cadillac P1141: HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction
Is your scanner showing Cadillac P1141?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1141: HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction
OVERVIEWWhat Does The Cadillac P1141 Code Mean?
Engine started; system voltage over 10.0v, HO2S heater enabled, and the PCM detected an unexpected voltage condition on the HO2S-12 heater circuit during the CCM test.
What Are The Potential Causes Of The Cadillac P1141 Code?
- Air leaks present in the exhaust manifold or the exhaust pipes
- HO2S heater control circuit is open or shorted to ground
- HO2S heater power
How Serious Is This Cadillac P1141 Code?
If DTC P0135, P0141, P0155, P0161, P1141 and P1161 are set, check Fuse 43 located in the ECM housing for a problem
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
