P1107

DTC P1107: BARO Sensor Circuit Low Voltage
DTC P1108: BARO Sensor Circuit High 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.