BMW DTC P229A – Fuel Pressure Regulator 2 Exceeded Control Limits – Pressure Too Low
DTC P229A meaning on BMW
The DTC P229A code on a BMW indicates that the fuel pressure regulator 2 has exceeded control limits, resulting in the fuel pressure being too low. This can lead to issues with fuel delivery and engine performance.
BMW DTC P229A symptoms
Some common symptoms of the DTC P229A code on a BMW may include:
- Engine misfires
- Loss of power
- Poor fuel efficiency
- Stalling
- Rough idling
BMW DTC P229A causes
There are several potential causes for the DTC P229A code on a BMW, including:
- Faulty fuel pressure regulator
- Clogged fuel filter
- Fuel pump issues
- Vacuum leaks
- Wiring or connector problems
BMW DTC P229A seriousness
Ignoring the DTC P229A code on a BMW can lead to further engine damage and decreased performance. It is important to address this issue promptly to prevent more severe problems.
How to diagnose DTC P229A on BMW
Diagnosing the DTC P229A code on a BMW involves:
- Using a diagnostic scanner to read the code
- Checking fuel pressure with a gauge
- Inspecting the fuel pressure regulator and related components
- Testing for vacuum leaks
How to fix DTC P229A on BMW
To fix the DTC P229A code on a BMW, you may need to:
- Replace the fuel pressure regulator
- Clean or replace the fuel filter
- Inspect and possibly replace the fuel pump
- Repair any wiring or connector issues
How to erase DTC P229A on BMW
After fixing the underlying issue causing the DTC P229A code on a BMW, you can erase the code using a diagnostic scanner. This will reset the vehicle’s computer and turn off the check engine light.
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.