BMW DTC P070C – Transmission Fluid Level Sensor Circuit Low
DTC P070C meaning on BMW
DTC P070C on a BMW indicates a fault with the transmission fluid level sensor circuit. This code is triggered when the powertrain control module (PCM) detects a low voltage signal from the transmission fluid level sensor, suggesting that the fluid level in the transmission may be below the specified range.
BMW DTC P070C symptoms
Symptoms of DTC P070C on a BMW may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. Additionally, the vehicle’s check engine light may illuminate to indicate a problem with the transmission fluid level sensor circuit.
BMW DTC P070C causes
The common causes of DTC P070C on a BMW include a faulty transmission fluid level sensor, damaged wiring or connectors in the sensor circuit, low transmission fluid level, or a malfunctioning PCM.
BMW DTC P070C seriousness
Ignoring DTC P070C on a BMW can lead to potential transmission damage due to incorrect fluid levels. It is important to address this issue promptly to prevent further complications and ensure the proper functioning of the transmission system.
How to diagnose DTC P070C on BMW
To diagnose DTC P070C on a BMW, a mechanic would typically start by using a diagnostic scan tool to retrieve the fault codes stored in the PCM. They would then inspect the transmission fluid level sensor, check the wiring and connectors for any damage, and verify the transmission fluid level is within the specified range.
How to fix DTC P070C on BMW
Fixing DTC P070C on a BMW may involve replacing the transmission fluid level sensor if it is found to be faulty. Additionally, repairing any damaged wiring or connectors in the sensor circuit and ensuring the transmission fluid level is correct can help resolve the issue. In some cases, reprogramming or replacing the PCM may be necessary.
How to erase DTC P070C on BMW
After fixing the underlying issue causing DTC P070C on a BMW, the fault codes can be cleared using a diagnostic scan tool. This will reset the check engine light and allow the vehicle’s PCM to monitor the system for any new faults.
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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