P1526 – BMW DTC

BMW DTC P1526 – ‘A’ Camshaft Position Actuator Control Circuit/Open (Bank 2)

DTC P1526 meaning on BMW

The Diagnostic Trouble Code (DTC) P1526 on a BMW indicates an issue with the ‘A’ Camshaft Position Actuator Control Circuit being open on Bank 2. This means that there is a malfunction in the circuit that controls the camshaft position actuator on the specified bank.

BMW DTC P1526 symptoms

Symptoms of DTC P1526 on a BMW may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Engine running rough or misfiring
• Reduced engine performance
• Difficulty starting the engine

BMW DTC P1526 causes

Common causes of DTC P1526 on a BMW include:

• Faulty camshaft position actuator
• Open or short circuit in the wiring harness
• Faulty engine control module (ECM)

BMW DTC P1526 seriousness

DTC P1526 should not be ignored as it can lead to poor engine performance and potential damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.

How to diagnose DTC P1526 on BMW

To diagnose DTC P1526 on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the wiring harness for any visible damage or loose connections
3. Test the camshaft position actuator for proper operation
4. Check the ECM for any faults or malfunctions

How to fix DTC P1526 on BMW

To fix DTC P1526 on a BMW, you may need to:

1. Replace the faulty camshaft position actuator
2. Repair or replace any damaged wiring in the circuit
3. Reset the ECM and clear the fault codes
4. Perform a test drive to ensure the issue is resolved

How to erase DTC P1526 on BMW

To erase DTC P1526 on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. Disconnect the battery for a few minutes to reset the ECM
3. Ensure the underlying issue has been fixed before clearing the fault code

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.