BMW DTC P1885 – 5-6 Shift Circuit High
DTC P1885 meaning on BMW
DTC P1885 on a BMW indicates a fault in the 5-6 shift circuit, specifically a high voltage condition. This fault code is related to the transmission control module detecting an electrical issue in the circuit responsible for shifting between gears 5 and 6.
BMW DTC P1885 symptoms
Symptoms of DTC P1885 on a BMW may include harsh shifting between gears 5 and 6, delayed shifting, or the transmission getting stuck in a particular gear. In some cases, the transmission may go into a limp mode to prevent further damage.
BMW DTC P1885 causes
The common causes of DTC P1885 on a BMW include a faulty shift solenoid, damaged wiring or connectors in the shift circuit, low transmission fluid level, or a malfunctioning transmission control module.
BMW DTC P1885 seriousness
While DTC P1885 may not cause immediate drivability issues, it can lead to further transmission damage if left unresolved. It is important to address this fault code promptly to prevent potential transmission failure.
How to diagnose DTC P1885 on BMW
To diagnose DTC P1885 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the transmission system. This may involve checking the shift solenoid, inspecting wiring and connectors, testing the transmission fluid level and condition, and verifying the operation of the transmission control module.
How to fix DTC P1885 on BMW
Fixing DTC P1885 on a BMW may involve replacing a faulty shift solenoid, repairing damaged wiring or connectors, ensuring the transmission fluid level is correct, or replacing the transmission control module if necessary. It is recommended to follow the manufacturer’s diagnostic and repair procedures to address this fault code effectively.
How to erase DTC P1885 on BMW
Once the underlying issue causing DTC P1885 on a BMW has been fixed, the fault code can be erased using a diagnostic scanner. By clearing the code, the transmission control module will reset and monitor the system for any recurring faults. It is important to verify that the issue has been resolved before clearing the fault code.
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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