Trionic T7

P1625
No Bus data From TC/ABS.
See Fault Tracing 3:5 Bus and Diagnostic Communication.






Fault Symptoms
No bus communication with ESP.

Conditions
The following criteria apply:
Trionic:
^ No bus communication for 3 seconds.
^ ESP has previously been present on the bus.

Diagnostic Help
Some of the following symptoms may be observed:
^ Speedometer out of order
^ Traction Control out of order
^ Cruise Control out of order
^ ABS lamp ON






Checking The Wiring
Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.