FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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ECM/PCM Code Description

DTC 13 - Oxygen Sensor (O2S) Circuit - (Open Circuit)
DTC 14 - Engine Coolant Temperature (ECT) Circuit - (Low Temp.)
DTC 15 - Engine Coolant Temperature (ECT) Circuit - (High Temp.)
DTC 21 - Throttle Position Sensor (TPS) Circuit (High Voltage)
DTC 22 - Throttle Position Sensor (TPS) Circuit (Low Voltage)
DTC 23 - Intake Air Temperature (IAT) Circuit (High Voltage)
DTC 24 - Vehicle Speed Sensor (VSS) Circuit
DTC 25 - Intake Air Temperature (IAT) Circuit (Low Voltage)
DTC 31 - Manifold Absolute Pressure (MAP) Sensor Circuit (Low Voltage)
DTC 32 - Manifold Absolute Pressure (MAP) Sensor Circuit (High Voltage)
DTC 41 - Ignition Control (IC) Circuit Error
DTC 42 - Camshaft Position (CMP) Sensor (No Signal For 2 Seconds)
DTC 46 - Idle Speed Control Motor Circuit (Upgraded Emissions Only)
DTC 51 - Exhaust Gas Recirculation (EGR) Circuit