Operation CHARM: Car repair manuals for everyone.

P1107

DTC P1107: BARO Sensor Circuit Low Voltage

1. Reset the ECM.
2. Turn the ignition switch ON (II).

Is DTC P1107 or P1108 indicated?

YES - Update the ECM if it does not have the latest software, or substitute a known-good ECM, then recheck. If the symptom/indication goes away with a known-good ECM, replace the original ECM.

NO - Intermittent failure, system is OK at this time.