ABS With ESP and TCS

C1927 Engine RPM Signal. No Data, Bus from Trionic

Fault symptoms
ESP OFF lamp on
No ESP function

Conditions
Engine running
Incorrect information on throttle position on bus from Trionic
Information from Trionic missing or incorrect. Read trouble codes in Trionic.

Diagnostic help
Further trouble codes may be present in Trionic. See fault diagnosis Trionic.