Cadillac P1107: MAP Sensor Circuit Intermittent Low Input

Is your scanner showing Cadillac P1107?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Cadillac P1107: MAP Sensor Circuit Intermittent Low Input

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$300
Can I Still Drive?
:
Yes

What Does The Cadillac P1107 Code Mean?

DTC P0121, P0122 and DTC P0123 not set, engine started, TP angle more than 10% with engine speed over 1000 rpm or TP angle more than 0% with engine speed under 1000 rpm, and the PCM detected an intermittent low voltage condition (under 0.25v) on the MAP sensor.

What Are The Potential Causes Of The Cadillac P1107 Code?

  • MAP sensor signal circuit shorted to ground (intermittent fault)
  • MAP sensor VREF circuit is open (intermittent fault)
  • MAP sensor is damaged or has failed (intermittent fault)
  • 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:

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.

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