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C1928

Symptom: ESP OFF lamp on No TCS, ESP function

C1928

Engine Torque. No Data, Bus from ECM.


Fault symptoms

ESP OFF lamp on

No TCS, ESP function

Conditions

Engine running

Incorrect information on the bus from the ECM regarding throttle position

No information or incorrect information from the ECM. Read DTCs in the ECM

Diagnostic help

Further trouble codes may be present in the ECM. See ECM fault diagnosis.