BMW DTC P0374 – Timing Reference High Resolution Signal ‘A’ No Pulses
DTC P0374 meaning on BMW
DTC P0374 on a BMW indicates that there are no pulses detected in the Timing Reference High Resolution Signal ‘A’. This signal is crucial for the engine control module to accurately determine the engine’s position and adjust ignition timing accordingly.
BMW DTC P0374 symptoms
Symptoms of DTC P0374 on a BMW may include engine misfires, rough idling, poor acceleration, decreased fuel efficiency, and in some cases, the engine may not start at all.
BMW DTC P0374 causes
The most common causes of DTC P0374 on a BMW include a faulty crankshaft position sensor, damaged wiring or connectors in the signal circuit, or a malfunctioning engine control module.
BMW DTC P0374 seriousness
Ignoring DTC P0374 on a BMW can lead to potential engine damage, decreased performance, and increased fuel consumption. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P0374 on BMW
To diagnose DTC P0374 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a visual inspection of the crankshaft position sensor and its wiring. They may also test the sensor’s output using a multimeter to ensure it is functioning correctly.
How to fix DTC P0374 on BMW
Fixing DTC P0374 on a BMW usually involves replacing the faulty crankshaft position sensor, repairing any damaged wiring or connectors, or reprogramming the engine control module if necessary. Once the issue is resolved, the fault code should be cleared from the system.
How to erase DTC P0374 on BMW
To erase DTC P0374 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the engine control module’s memory. Once the repair has been completed and the issue resolved, clearing the fault code will reset the system 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
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