Engine torque: Diagnostics

In the event of erroneous engine torque information, the diagnostic trouble code C1928: ENGINE TORQUE. NO DATA, BUS FROM TRIONIC . is set, the TCS function is disabled and the TCS OFF lamp lights up.

In the event of a fault in the Trionic system's throttle control (limp-home), the CHECK ENGINE lamp will come on and the fault can be found in the ECM.

If TC/ABS is programmed for wrong engine variant or transmission, diagnostic trouble code C0551 is set.