BMW DTC P1537 – DISA (Differentiated Intake Manifold) Potentiometer Voltage in Lower Diagnosis Range
DTC P1537 meaning on BMW
The DTC P1537 on a BMW refers to an issue with the DISA (Differentiated Intake Manifold) potentiometer voltage being in the lower diagnosis range. The DISA system is responsible for adjusting the length of the intake manifold runners to optimize performance at different engine speeds.
BMW DTC P1537 symptoms
Symptoms of DTC P1537 on a BMW may include rough idling, decreased engine performance, reduced fuel efficiency, and potentially an illuminated check engine light on the dashboard.
BMW DTC P1537 causes
The causes of DTC P1537 on a BMW can vary, but common reasons include a faulty DISA potentiometer, wiring issues, or a malfunctioning intake manifold flap.
BMW DTC P1537 seriousness
While the vehicle may still be operable with DTC P1537, it is important to address the issue promptly to prevent potential damage to the engine and ensure optimal performance.
How to diagnose DTC P1537 on BMW
To diagnose DTC P1537 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform further testing on the DISA system components, such as the potentiometer and wiring, to identify the root cause of the issue.
How to fix DTC P1537 on BMW
Fixing DTC P1537 on a BMW may involve replacing the faulty DISA potentiometer, repairing any damaged wiring, or addressing issues with the intake manifold flap. It is recommended to follow the manufacturer’s repair procedures and use quality replacement parts.
How to erase DTC P1537 on BMW
Once the underlying issue causing DTC P1537 on a BMW has been resolved, the fault code can be cleared using a diagnostic scanner. This will reset the check engine light and allow the vehicle’s onboard computer to monitor the system for any new faults.
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.