TCO, tachograph
â–¶ How to fix
Check the sensor, connector and cable harness. If the fault codes 32CB, 332F or 33F4 have been generated check the gearbox mechanically. Check that the washer and neutral spring are correctly fitted and that the splines on the longitudinal stroke lever and/or actuating shaft are not sticking.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Incorrect or unreliable data.
Possible cause
The control unit obtains no engine speed signals or incorrect engine speed signals from TCO.