BMW DTC P1502 – Idle-Speed Control Valve Closing Solenoid Control Circuit High
DTC P1502 meaning on BMW
DTC P1502 on a BMW indicates an issue with the Idle-Speed Control Valve Closing Solenoid Control Circuit being too high. This means that the control module has detected a higher than expected voltage in the circuit that controls the idle-speed control valve closing solenoid.
BMW DTC P1502 symptoms
Symptoms of DTC P1502 on a BMW may include rough idling, stalling at idle, poor acceleration, and potentially an illuminated check engine light on the dashboard.
BMW DTC P1502 causes
The causes of DTC P1502 on a BMW can vary, but common reasons include a faulty idle-speed control valve closing solenoid, damaged wiring or connectors in the control circuit, or issues with the engine control module.
BMW DTC P1502 seriousness
While DTC P1502 may not cause immediate harm to the vehicle, it can lead to drivability issues and potentially affect the overall performance of the engine. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P1502 on BMW
To diagnose DTC P1502 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and perform a thorough inspection of the idle-speed control valve closing solenoid, wiring, and connectors. Testing the voltage in the control circuit may also be necessary to pinpoint the exact cause of the issue.
How to fix DTC P1502 on BMW
Fixing DTC P1502 on a BMW may involve replacing the faulty idle-speed control valve closing solenoid, repairing or replacing damaged wiring or connectors in the control circuit, or addressing any issues with the engine control module. It is recommended to follow the manufacturer’s repair procedures and use quality replacement parts.
How to erase DTC P1502 on BMW
Once the underlying issue causing DTC P1502 on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. This will erase the code from the vehicle’s memory and turn off the check engine light. It is important to ensure that the repair has been successful before clearing the fault codes.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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