P1108

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 - Substitute a known-good ECM and recheck. If the symptom/indication goes away, replace the original ECM.

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