P268C – BMW DTC

BMW DTC P268C – Cylinder 1 Injector Data Incompatible

DTC P268C meaning on BMW

The Diagnostic Trouble Code (DTC) P268C on a BMW indicates that there is an issue with the Cylinder 1 Injector Data being incompatible. This means that the data being received from the fuel injector for cylinder 1 is not matching the expected values, causing a discrepancy in the fuel delivery system.

BMW DTC P268C symptoms

Symptoms of the BMW DTC P268C may include rough idling, misfires, decreased engine performance, poor fuel efficiency, and potentially an illuminated Check Engine Light on the dashboard.

BMW DTC P268C causes

The causes of the BMW DTC P268C can vary, but common reasons include a faulty fuel injector, wiring issues, poor electrical connections, or a problem with the Engine Control Module (ECM) that is affecting the injector data communication.

BMW DTC P268C seriousness

Ignoring the DTC P268C on a BMW can lead to further engine performance issues, potential damage to the catalytic converter, and increased fuel consumption. It is important to address this issue promptly to prevent any long-term damage.

How to diagnose DTC P268C on BMW

To diagnose the DTC P268C on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and analyze the data related to the Cylinder 1 Injector. They may also perform a visual inspection of the injector and its wiring to check for any visible damage or issues.

How to fix DTC P268C on BMW

Fixing the BMW DTC P268C usually involves addressing the root cause of the issue. This may include replacing the faulty fuel injector, repairing any damaged wiring or connections, or reprogramming the Engine Control Module (ECM) to ensure proper communication with the injector.

How to erase DTC P268C on BMW

Once the underlying issue causing the DTC P268C on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. By clearing the codes, the Check Engine Light should turn off, indicating that the problem has been addressed.

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.