BMW DTC P1433 – Fuel Level 2 CAN Error
DTC P1433 meaning on BMW
The DTC P1433 for BMW indicates a Fuel Level 2 CAN Error. This error code is related to a communication issue within the Controller Area Network (CAN) system that monitors the fuel level sensor.
BMW DTC P1433 symptoms
Symptoms of the DTC P1433 on a BMW may include inaccurate fuel level readings on the instrument cluster, fluctuating fuel gauge readings, or a fuel gauge that remains stuck at a certain level.
BMW DTC P1433 causes
The Fuel Level 2 CAN Error (P1433) on a BMW can be caused by a faulty fuel level sensor, damaged wiring or connectors in the CAN system, or a malfunction in the engine control module (ECM) that communicates with the fuel level sensor.
BMW DTC P1433 seriousness
While the DTC P1433 may not directly affect the drivability of the vehicle, it can lead to inaccurate fuel level readings, which may result in running out of fuel unexpectedly. It is important to address this issue to ensure proper monitoring of the fuel level.
How to diagnose DTC P1433 on BMW
To diagnose the DTC P1433 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the error code and perform a visual inspection of the fuel level sensor, wiring, and connectors. They may also conduct tests to check the communication between the ECM and the fuel level sensor.
How to fix DTC P1433 on BMW
Fixing the DTC P1433 on a BMW may involve replacing the faulty fuel level sensor, repairing any damaged wiring or connectors in the CAN system, or reprogramming the ECM to address communication issues. It is recommended to follow the manufacturer’s diagnostic and repair procedures for a proper fix.
How to erase DTC P1433 on BMW
Once the underlying issue causing the DTC P1433 has been resolved, the error code can be cleared using a diagnostic scanner. By accessing the vehicle’s onboard computer system, the technician can erase the DTC P1433 code to reset the system and ensure that the repair was successful.
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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