3360374 - Z74 IMPLEMENTATION FAULT NOTB ERROR
The diagnostic equipment signals the following error: C1504 NOTB (Implementation fault)|  | This error is signalled if the control unit detects that the speed of one of the wheels (transmitted by the sensor) is incorrect or if the magnetic wheel is not correct or damaged | 
| Results of the tests | ||||
| 1 | POWER SUPPLY CHECK | All OK | Problems met | Operation | 
|---|---|---|---|---|
| Check the ESP system supply voltage See E7023 ESP | Continue to Step 2 | Incorrect supply | Restore the correct supply, if necessary, replace the faulty components | |
| 2 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation | 
| Delete the errors using the diagnostic equipment.Carry out road to make the control unit check whether there are still errors present. Return to the workshop and check that the fault is no longer present using the diagnostic equipment. | End of diagnosis | . | ||