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DTC codes / BMW diagnostic trouble codes

BMW diagnostic trouble codes

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

P1404 BMW: Heated Catalyst Current Too High During Heating Bank 2 Powertrain P1405 BMW: Heated Catalyst Power Switch Overtemperature Condition Bank 2 Powertrain P1406 BMW: Heated Catalyst Internal Control Module Checksum ROM Error Powertrain P1413 BMW: Secondary Air Injection Pump Relay Control Circuit Signal Low Powertrain P1414 BMW: Secondary Air Injection System Monitor Circuit High Powertrain P1420 BMW: Secondary Air Valve Control Circuit Electrical Powertrain P1421 BMW: Secondary Air System Bank 1 Powertrain P1422 BMW: Secondary Air System Bank 2 Powertrain P1432 BMW: Secondary Air Injection System Incorrect Flow Detected Powertrain P1438 BMW: Purge Control Valve Control Open Circuit Powertrain P1439 BMW: Purge Control Valve Control Circuit Signal Low Powertrain P1440 BMW: Purge Control Valve Control Circuit Signal High Powertrain P1441 BMW: Leakage Diagnostic Pump Control Open Circuit Powertrain P1442 BMW: Leakage Diagnostic Pump Control Circuit Signal Low Powertrain P1443 BMW: Leakage Diagnostic Pump Control Circuit Signal High Powertrain P1444 BMW: Diagnostic Module Tank Leakage DM-TL Pump Control Open Circuit Powertrain P1445 BMW: Diagnostic Module Tank Leakage DM-TL Pump Control Circuit Signal Low Powertrain P1446 BMW: Diagnostic Module Tank Leakage DM-TL Pump Control Circuit Signal High Powertrain P1447 BMW: Diagnostic Module Tank Leakage DM-TL Pump Too High During Switching Powertrain P1448 BMW: Diagnostic Module Tank Leakage DM-TL Pump Too Low During Switching Powertrain P1449 BMW: Diagnostic Module Tank Leakage DM-TL Pump Too High Powertrain P1450 BMW: Diagnostic Module Tank Leakage DM-TL Switching Solenoid Open Circuit Powertrain P1451 BMW: Diagnostic Module Tank Leakage DM-TL Switching Solenoid Control Circuit Signal Low Powertrain P1452 BMW: Diagnostic Module Tank Leakage DM-TL Switching Solenoid Control Circuit Signal High Powertrain P1453 BMW: Secondary Air Injection Pump Relay Control Circuit Electrical Powertrain P1454 BMW: Secondary Air Injection Pump With Series Resistor Control Circuit Electrical Powertrain P1456 BMW: Heated Catalyst Heater Power Supply Open Circuit Bank 1 Powertrain P1457 BMW: Heated Catalyst Heater Power Switch Temperature Sensor Electrical Bank 1 Powertrain P1459 BMW: Heated Catalyst Heater Power Supply Open Circuit Bank 2 Powertrain P1460 BMW: Heated Catalyst Heater Power Switch Temperature Sensor Electrical Bank 2 Powertrain P1461 BMW: Heated Catalyst Gate Voltage Signal Low Powertrain P1462 BMW: Heated Catalyst Internal Control Module Checksum ROM Error Powertrain P1463 BMW: Heated Catalyst Battery Temperature Sensor 1 Electrical Powertrain P1464 BMW: Heated Catalyst Battery Temperature Sensor 2 Electrical Powertrain P1465 BMW: Heated Catalyst Battery Temperature Sensor 1 or 2 Plausibility Powertrain P1466 BMW: Heated Catalyst Power Switch Temperature Sensor Plausibility Powertrain P1467 BMW: Heated Catalyst Comparison Battery Voltages of Power Switches Plausibility Powertrain P1468 BMW: Heated Catalyst Battery Disconnecting Switch Plausibility Powertrain P1470 BMW: Leakage Diagnostic Pump Control Circuit Electrical Powertrain P1472 BMW: Diagnostic Module Tank Leakage DM-TL Switching Solenoid Control Circuit Electrical Powertrain P1473 BMW: Diagnostic Module Tank Leakage DM-TL Pump Current Plausibility Powertrain P1475 BMW: Leakage Diagnostic Pump Reed Switch Did Not Close Powertrain P1476 BMW: Leakage Diagnostic Pump Clamped Tube Powertrain P1477 BMW: Leakage Diagnostic Pump Reed Switch Did Not Open Powertrain P1500 BMW: Idle Speed Control Valve Stuck Open Powertrain P1501 BMW: Idle Speed Control Valve Stuck Closed Powertrain P1502 BMW: Idle Speed Control Valve Closing Solenoid Control Circuit Signal High Or Low Powertrain P1503 BMW: Idle Speed Control Valve Closing Solenoid Control Circuit Signal Low Powertrain P1504 BMW: Idle Speed Control Valve Closing Solenoid Control Open Circuit Powertrain P1505 BMW: Idle Speed Control Valve Closing Solenoid Control Circuit Electrical Powertrain P1506 BMW: Idle Speed Control Valve Open Solenoid Control Circuit Signal High Powertrain P1507 BMW: Idle Speed Control Valve Open Solenoid Control Circuit Signal Low Powertrain P1508 BMW: Idle Speed Control Valve Opening Solenoid Control Open Circuit Powertrain P1509 BMW: Idle Speed Control Valve Opening Solenoid Control Circuit Electrical Powertrain P1510 BMW: Idle Speed Control Valve Stuck Powertrain P1511 BMW: DISA Control Circuit Electrical Powertrain P1512 BMW: DISA Control Circuit Signal Low Powertrain P1513 BMW: DISA Control Circuit Signal High Powertrain P1519 BMW: A Camshaft Position Actuator Bank 1 Powertrain P1520 BMW: B Camshaft Position Actuator Bank 1 Powertrain
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