DTC P1107 & DTC P1108: BARO Sensor

Perform PCM reset procedure. See PCM RESET PROCEDURE/CLEARING DTCS in SELF-DIAGNOSTICS - INTRODUCTION article. Turn ignition on. If DTC P1107 or P1108 is indicated, substitute a known-good PCM and recheck. See SUBSTITUTING PCM under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article. If symptom or indication goes away, replace original PCM. If neither DTC P1107 or P1108 is indicated, problem is intermittent. System is okay at this time.