C0550 37 (ESP - Electronic Stability Program)
C0550 37Control module - ECU fault
Fault symptom
ABS/TCS/ESP warning lamp on.
Messages shown in SID.
Steering column lock not working.
On-board diagnosis
Type of diagnosis:
Continuous
Enable criteria:
Ignition ON.
Fault criteria:
Control module on-board diagnostics has detected a Time-out fault.
System reaction to a fault:
No ABS function
No TCS/ESP function
Diagnostic help
Diagnosis regards:
To locate electrical faults in the control module internal electronics.
See Before changing a control module and After fitting a control module under Fault diagnosis, general.
Functions in the diagnostic tool related to the fault:
See menu All - Add/Remove