Possible Causes

Possible causes are:

• Damaged MAP sensor (DTCs P0107, P0108 or P0109).
• Damaged PCM (DTCs P0107 or P0108)
• Loose electrical connection (DTC P0109).
• MAP signal shorted to VPWR (DTC P0108).
• Open or short circuit to ground (DTC P0107).
• VREF circuit open or shorted to ground (DTC P0107).
• VREF circuit shorted to VPWR (DTC P0108).