Trionic T7

P1625

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







Fault symptoms
No bus communication with TC/ABS.

Conditions
The following conditions apply:
Trionic:
- No bus communication for 3 seconds.
- TC/ABS has previously been on the bus at some point.

Diagnostic help
Some of the following symptoms may be observed:
- Speedometer malfunctioning
- Traction Control malfunctioning
- Cruise Control malfunctioning
- ABS lamp on

Checking the wiring
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuit. Observe the multimeter, diagnostic tool or test lamp during the check.