P1625
Symptom: No bus communication with TC/ABS.
No Bus data From TRIONIC or TCM. See Fault Tracing 3:5 Bus and Diagnostic Communication.
Fault symptoms
No bus communication with TC/ABS.
Conditions
The following conditions are applicable:
Trionic:
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No bus communication for 3 seconds.
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TC/ABS has previously been present on the bus at some time.
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Diagnostic help
Some of the following symptoms may be observed:
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Speedometer not working
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Traction Control not working
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Cruise Control not working
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Check wiring harness.
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic tool during the test.
