BMW DTC P0787 – Shift Timing Solenoid ‘A’ Low
DTC P0787 meaning on BMW
The Diagnostic Trouble Code (DTC) P0787 for BMW refers to an issue with the Shift Timing Solenoid ‘A’ being detected as operating at a low level. This solenoid is responsible for controlling the timing of gear shifts in the transmission system.
BMW DTC P0787 symptoms
Symptoms of DTC P0787 on a BMW may include harsh or delayed shifting, erratic shifting patterns, transmission slipping, and in some cases, the transmission may go into a limp mode where it operates in a single gear only.
BMW DTC P0787 causes
The common causes of DTC P0787 on a BMW include a faulty shift timing solenoid ‘A’, wiring issues in the solenoid circuit, low transmission fluid levels, or a malfunctioning transmission control module.
BMW DTC P0787 seriousness
Ignoring DTC P0787 on a BMW can lead to further damage to the transmission system, potentially resulting in costly repairs. It is important to address this issue promptly to prevent any long-term damage.
How to diagnose DTC P0787 on BMW
To diagnose DTC P0787 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the vehicle’s onboard computer. They would then inspect the shift timing solenoid ‘A’, check the wiring for any damage, and ensure that the transmission fluid levels are adequate.
How to fix DTC P0787 on BMW
Fixing DTC P0787 on a BMW may involve replacing the shift timing solenoid ‘A’ if it is found to be faulty. Additionally, any damaged wiring should be repaired, and the transmission fluid levels should be topped up if low. In some cases, resetting the transmission control module may also be necessary.
How to erase DTC P0787 on BMW
To erase DTC P0787 on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer system. Once the issue has been addressed and fixed, the DTC can be erased to reset the system and ensure that the problem has been resolved.
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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