BMW DTC P1A36 – Drive Motor ‘A’ Control Module 15V Power Supply Circuit Low
DTC P1A36 meaning on BMW
DTC P1A36 is a diagnostic trouble code that indicates an issue with the Drive Motor ‘A’ Control Module 15V Power Supply Circuit being low in a BMW vehicle. This fault code specifically points to a problem with the power supply voltage being below the expected threshold for the control module.
BMW DTC P1A36 symptoms
Symptoms of DTC P1A36 in a BMW may include:
- Check Engine Light illuminated on the dashboard
- Reduced power or performance
- Vehicle may go into a limp mode
BMW DTC P1A36 causes
Common causes of DTC P1A36 in a BMW include:
- Faulty Drive Motor ‘A’ Control Module
- Wiring or connection issues in the power supply circuit
- Defective power supply components
BMW DTC P1A36 seriousness
The seriousness of DTC P1A36 lies in the potential for reduced performance and drivability of the BMW vehicle. Ignoring this fault code can lead to further damage to the drivetrain components and may result in costly repairs if not addressed promptly.
How to diagnose DTC P1A36 on BMW
To diagnose DTC P1A36 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
- Inspect the Drive Motor ‘A’ Control Module and related wiring for any visible damage or corrosion
- Check the power supply voltage to the control module using a multimeter
- Perform a thorough visual inspection of the power supply circuit components
How to fix DTC P1A36 on BMW
To fix DTC P1A36 on a BMW, the following steps may be taken:
- Replace the faulty Drive Motor ‘A’ Control Module if necessary
- Repair any damaged wiring or connections in the power supply circuit
- Test and replace any defective power supply components
- Clear the fault codes using a diagnostic scanner after the repairs have been completed
How to erase DTC P1A36 on BMW
To erase DTC P1A36 on a BMW, follow these steps:
- Connect a diagnostic scanner to the vehicle’s OBD-II port
- Access the scanner’s menu to clear the fault codes stored in the vehicle’s computer
- Follow the on-screen prompts to erase the DTC P1A36 code
- Once the code has been cleared, perform a test drive to ensure the issue has been resolved
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.