FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
Home
>>
Mercedes Benz
>>
2012
>>
E 350 Coupe (207.359) V6-3.5L (276.957)
>>
Repair and Diagnosis
>>
A L L Diagnostic Trouble Codes ( DTC )
>>
Testing and Inspection
>>
U Code Charts
>>
U1201
U1201
Communication with NOx sensor 4 has a malfunction.
A guided test is not available at present.
A guided test is not available at present.
End of test
Result: Pass