BMW DTC P13EB – Ignition and Injectors Relay Power Supply Circuit Ignition Circuit Low (Bank 2)
DTC P13EB meaning on BMW
DTC P13EB on a BMW refers to the Ignition and Injectors Relay Power Supply Circuit Ignition Circuit Low fault detected in Bank 2. This diagnostic trouble code indicates that there is a problem with the power supply circuit for the ignition and injectors relay in the Bank 2 of the engine.
BMW DTC P13EB symptoms
Symptoms of BMW DTC P13EB may include rough idling, engine misfires, poor acceleration, stalling, and in some cases, the vehicle may not start at all. The Check Engine Light will also be illuminated on the dashboard.
BMW DTC P13EB causes
The common causes of BMW DTC P13EB include a faulty ignition and injectors relay, damaged wiring or connectors in the power supply circuit, a weak battery, or a malfunctioning Engine Control Module (ECM).
BMW DTC P13EB seriousness
Ignoring BMW DTC P13EB can lead to poor engine performance, reduced fuel efficiency, and potential engine damage over time. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P13EB on BMW
To diagnose BMW DTC P13EB, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes stored in the vehicle’s ECM. They would then inspect the ignition and injectors relay, check the wiring and connectors in the power supply circuit, and perform voltage tests to identify the root cause of the issue.
How to fix DTC P13EB on BMW
Fixing BMW DTC P13EB usually involves replacing the faulty ignition and injectors relay, repairing any damaged wiring or connectors, ensuring the battery is in good condition, and resetting the ECM. It is recommended to follow the manufacturer’s diagnostic and repair procedures to address this fault effectively.
How to erase DTC P13EB on BMW
To erase BMW DTC P13EB, a mechanic can use a diagnostic scanner to clear the fault codes stored in the ECM. After fixing the underlying issue that caused the fault code, the mechanic can then reset the Check Engine Light and verify that the code does not reappear during a test drive.
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.