OBD-II Code BMW

P1608 — BMW — Serial Communicating Link Control Module

The ECU detects a communication failure on the serial link with the control module.

Brand BMW
System Communication System
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1608 mean on BMW vehicles?

The ECU detects a communication failure on the serial link with the control module.

Common symptoms

  • Multiple system faults
  • unstable operation

Possible causes

  • Serial communication failure
  • wiring or module issue

Initial recommendation

Perform CAN and serial communication diagnostics and repair faults.

Safety notice

This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine BMW code P1608 with your vehicle's actual symptoms for more complete diagnostic guidance.

Go to the app View more brands