P10AC – BMW DTC

BMW DTC P10AC – Reductant Level Sensor 2 Circuit Range/Performance

DTC P10AC meaning on BMW

DTC P10AC on a BMW indicates an issue with the Reductant Level Sensor 2 Circuit Range/Performance. This fault code is related to the system that monitors the level of the diesel exhaust fluid (DEF), also known as AdBlue, in the vehicle’s tank.

BMW DTC P10AC symptoms

Symptoms of DTC P10AC on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Possible DEF system warnings

BMW DTC P10AC causes

Common causes of DTC P10AC on a BMW include:

• Defective Reductant Level Sensor 2
• Wiring or connector issues in the sensor circuit
• Low DEF fluid level

BMW DTC P10AC seriousness

While DTC P10AC may not cause immediate drivability issues, it is important to address this fault code promptly to ensure proper operation of the DEF system. Ignoring this fault could lead to emissions non-compliance and potential engine performance issues.

How to diagnose DTC P10AC on BMW

To diagnose DTC P10AC on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and related data
2. Inspect the Reductant Level Sensor 2 and its wiring for any visible damage
3. Check the DEF fluid level and quality
4. Perform system tests to verify sensor functionality

How to fix DTC P10AC on BMW

To fix DTC P10AC on a BMW, the following steps may be taken:

1. Replace the Reductant Level Sensor 2 if found faulty
2. Repair any damaged wiring or connectors in the sensor circuit
3. Refill the DEF tank with the correct fluid and ensure proper levels
4. Clear the fault code and perform a test drive to verify the repair

How to erase DTC P10AC on BMW

To erase DTC P10AC on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s memory. After the repair has been completed and the issue resolved, the fault code can be erased to reset the Check Engine Light and ensure the system is functioning properly.

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.