Vehicle Control Module (VCM)

EMISSION MALFUNCTION CODES

CODE PO107 - Manifold Absolute Pressure (MAP) Sensor Circuit (Low Sig.)
CODE PO108 - Manifold Absolute Pressure (MAP) Sensor Circuit (High Sig.)
CODE PO117 - Engine Coolant Temperature (ECT) Sensor Circuit (Low Temp.)
CODE PO118 - Engine Coolant Temperature (ECT) Sensor Circuit (High Temp.)
CODE PO122 - Throttle Position Sensor (TPS) Circuit (Low Sig.)
CODE PO123 - Throttle Position Sensor (TPS) Circuit (High Sig.)
CODE PO139 - Heated Oxygen Sensor Circuit (OPEN)
CODE PO171 - Lean Exhaust
CODE PO172 - Rich Exhaust
CODE PO320 - Ignition Control (IC) Error
CODE PO327 - Knock Sensor (KS) Circuit Grounded
CODE PO328 - Knock Sensor (KS) Circuit Open
CODE PO400 - Exhaust Gas Recirculation (EGR) Error
CODE PO500 - Vehicle Speed Sensor (VSS)
CODE PO1222 - Fuel Pump Relay Circuit (Low Voltage)
CODE PO1632 - System Voltage High