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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Engine Controls Self-Diagnostics - Pathfinder) >> Diagnostic Tests >> DTC P2127: App Sensor 2 - Low Input Or DTC P2128: App Sensor 2 - High Input >> Possible Cause
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Possible Cause

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

ECM illuminates MIL and sets DTC when an excessively high or low voltage is sent to ECM from APP sensor 2. Possible cause is: