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DTC codes / GM diagnostic trouble codes

GM diagnostic trouble codes

Codes GM defines for its own vehicles. Other makes use the same numbers for different faults, so check that the code was read from a GM vehicle.

P1410 GM: Fuel Tank Pressure System Powertrain P1415 GM: Secondary Air Injection (AIR) System Powertrain P1416 GM: AIR System Bank 1 Powertrain P1418 GM: Secondary Air Injection System Relay A Control Circuit High Powertrain P1420 GM: Intake Air Low Pressure Switch Circuit Low Voltage Powertrain P1421 GM: Intake Air Low Pressure Switch Circuit High Voltage Powertrain P1423 GM: Intake Air High Pressure Switch Circuit High Voltage Powertrain P1431 GM: Fuel Level Sensor 2 Performance Powertrain P1432 GM: Fuel Level Sensor 2 Circuit Low Voltage Powertrain P1433 GM: Fuel Level Sensor 2 Circuit High Voltage Powertrain P1441 GM: Evaporative Emission (EVAP) System Flow During Non-Purge Powertrain P1442 GM: EVAP Vacuum Switch High Voltage During Ignition On Powertrain P1450 GM: Barometric Pressure Sensor Circuit Powertrain P1451 GM: Barometric Pressure Sensor Performance Powertrain P1460 GM: Cooling Fan Control System Powertrain P1480 GM: Cooling Fan 1 Control Circuit High Powertrain P1481 GM: EATX RPM pulse generator signal for misfire detection Powertrain P1482 GM: Catalyst Temperature Sensor Circuit Shorted Low Powertrain P1483 GM: Engine Cooling System Performance Powertrain P1484 GM: Catalytic Converter Overheat Detected Powertrain P1485 GM: Air Injection Solenoid Circuit Open Or Shorted Powertrain P1486 GM: Evap Leak Monitor Pinched Hose Powertrain P1487 GM: Hi Speed Rad Fan CTRL Relay Circuit Open Or Shorted Powertrain P1488 GM: Auxiliary 5 Volt Supply Output Too Low Powertrain P1489 GM: High Speed Fan CTRL Relay Circuit Open Or Shorted Powertrain P1490 GM: Low Speed Fan CTRL Relay Circuit Open Or Shorted Powertrain P1491 GM: Radiator Fan Control Relay Circuit Open Or Shorted Powertrain P1492 GM: Battery Temperature Sensor Voltage Too High Powertrain P1493 GM: Battery Temperature Sensor Voltage Too Low Powertrain P1494 GM: Leak Detection Pump Switch Or Mechanical Fault Powertrain P1495 GM: Leak Detection Pump Solenoid Circuit Open Or Shorted Powertrain P1496 GM: 5 Volt Supply Output Too Low Powertrain P1498 GM: High speed Rad Fan Ground CTRL Rly Circuit Powertrain P1499 GM: Open Or Shorted Condition Detected In The Hydraulic Cooling Fan Solenoid Control Powertrain P1500 GM: Starter Signal Circuit Powertrain P1501 GM: Vehicle Speed Sensor Circuit Intermittent Powertrain P1502 GM: Vehicle Speed Sensor Intermittent Malfunction Powertrain P1503 GM: Auxiliary Speed Sensor Fault Powertrain P1504 GM: Vehicle Speed Output Circuit Powertrain P1508 GM: IAC System Low RPM Powertrain P1509 GM: IAC System High RPM Powertrain P1510 GM: Idle Signal Circuit Malfunction Powertrain P1511 GM: Throttle Control System Backup System Performance Powertrain P1514 GM: Throttle Body Performance Powertrain P1515 GM: Control Module Throttle Actuator Position Performance Powertrain P1516 GM: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance Powertrain P1517 GM: Throttle Actuator Control (TAC) Module Performance Powertrain P1518 GM: Throttle Actuator Control (TAC) Module Serial Data Circuit Powertrain P1519 GM: Electronic Throttle Module Low Volts Communication Disable Powertrain P1520 GM: Gear Indicator System Powertrain P1521 GM: Transmission Engaged At High Throttle Angle Powertrain P1522 GM: Park Neutral To Drive Reverse At High RPM Powertrain P1523 GM: Electronic Throttle Control Throttle Return Powertrain P1524 GM: TP Sensor Learned CI Throttle Angle Out Of Range Powertrain P1525 GM: Throttle Body Service Required Powertrain P1526 GM: TP Sensor Learn Not Complete Powertrain P1527 GM: Transmission Range Pressure Switch Comparison Powertrain P1528 GM: Governor Powertrain P1529 GM: Heated Windshield Request Problem Powertrain P1530 GM: Ignition Timing Adjustment Switch Circuit Powertrain
Running on fumes Free guides aren't free to make. Top up the tank. Any amount, one time. Fuel the Garage