Cadillac P1106: MAP Sensor Circuit Intermittent High Input

What Does The Cadillac P1106 Code Mean?

DTC P0121, P0122 and DTC P0123 not set, engine runtime from 1-2 minutes (depends on the ECT sensor at startup), TP angle below 89% with engine speed under 1000 rpm or TP angle below 97% with engine speed above 1000 rpm.

What Are The Potential Causes Of The Cadillac P1106 Code?

• MAP sensor signal circuit is shorted to VREF (intermittent fault)
• MAP sensor ground circuit is open (intermittent fault)
• MAP sensor is damaged or has failed
• 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
>>> Manifold Absolute Pressure Sensor Map 213-4434 2134434 213-796 213796 16187556 12569240 12614973
>>> 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!

Reference Sources

GM, 2013, Service Bullettin – Prior To Any Circuit Testing.