FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P1107

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.