BMW DTC P22E1 – Cylinder 3 Alternative Fuel Injector Control Circuit/Open
DTC P22E1 meaning on BMW
DTC P22E1 on a BMW indicates an issue with the Cylinder 3 Alternative Fuel Injector Control Circuit being open. This means that there is a malfunction in the control circuit for the alternative fuel injector in cylinder 3.
BMW DTC P22E1 symptoms
Symptoms of DTC P22E1 on a BMW may include rough idling, engine misfires, decreased fuel efficiency, and potentially an illuminated check engine light on the dashboard.
BMW DTC P22E1 causes
The causes of DTC P22E1 on a BMW can vary, but common reasons include a faulty alternative fuel injector, wiring issues in the control circuit, or a problem with the engine control module (ECM).
BMW DTC P22E1 seriousness
While DTC P22E1 may not cause immediate drivability issues, it can lead to poor engine performance and potentially cause damage to the engine over time if left unresolved. It is recommended to address this issue promptly.
How to diagnose DTC P22E1 on BMW
To diagnose DTC P22E1 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and then perform a visual inspection of the alternative fuel injector in cylinder 3 and its wiring. They may also conduct tests to check the continuity and resistance of the circuit.
How to fix DTC P22E1 on BMW
Fixing DTC P22E1 on a BMW may involve replacing the faulty alternative fuel injector in cylinder 3, repairing any damaged wiring in the control circuit, or addressing any issues with the engine control module. It is recommended to follow the manufacturer’s repair procedures.
How to erase DTC P22E1 on BMW
Once the underlying issue causing DTC P22E1 on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. This will erase the code from the ECM’s memory 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.