P127C Possible Causes
- Faulty Manifold Absolute Pressure (MAP) sensor
- Manifold Absolute Pressure (MAP) sensor harness is open or shorted
- Poor electrical connection in the Manifold Absolute Pressure (MAP) sensor circuit
How is code P127C repaired?
Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P127C Meaning
The Powertrain Control Module (PCM) monitors the Manifold Absolute Pressure (MAP) sensor. The PCM sets the OBDII code when the Manifold Absolute Pressure (MAP) sensor does not meet factory specifications.