P1108

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

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

Is DTC P1107 or P1108 indicated?

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

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