Cadillac P1661: MIL Control Circuit Malfunction
Is your scanner showing Cadillac P1661?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1661: MIL Control Circuit Malfunction
OVERVIEWWhat Does The Cadillac P1661 Code Mean?
Key on or engine running; and the PCM detected the Actual and Commanded state of the MIL control circuit did not match for over 5 seconds during the CCM test.
What Are The Potential Causes Of The Cadillac P1661 Code?
- MIL control circuit is open, shorted to ground or to power (B+)
- MIL power circuit is open (check the GAUGES fuse)
- MIL (bulb) is open or missing
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> GM Genuine Parts 12633238 Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
