SCR control unit
â–¶ How to fix
Renew the SCR control unit. This means that the main unit must be renewed.Proceed as follows to verify that the fault has been rectified:Switch off the ignition with the starter key, wait for at least 90 seconds and switch it on again with the starter key for 30 seconds. If the fault has been rectified, the fault code becomes inactive. Clear the fault code.Switch the power off and on with the starter key three times in succession at 10 second intervals to extinguish the warning lamp.
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
Internal fault in the control unit.