DTC U3000-66: Control Module Signal Has Too Many Transitions / Events [07/2015 - ]: Procedure

1. Using the Techstream, perform the ECM DTC inspection.

   Refer to ON-BOARD DIAGNOSTIC TEST [07/2015 - ]

   Powertrain > Powertrain Control Module > Trouble Codes 

2. Are any DTCs present?

   Result

   Proceed to
   Yes
   No

Result:  2

Yes 

See step  7

Result:  1

No 

See step  2

1. Using the Techstream, perform the combination meter DTC inspection.

   Refer to DTC CHECK / CLEAR [07/2015 - ]

   Body Electrical > Instrument Cluster > Trouble Codes 

2. Are any DTCs present?

   Result

   Proceed to
   Yes
   No

Result:  2

Yes 

See step  6

Result:  1

No 

See step  3

1. Using the Techstream, clear the DTC from the laser sensor.

   Refer to DTC CHECK / CLEAR [07/2015 - ]

   Chassis > Smart City Brake Support > Clear DTCs 

2. Using the Techstream, perform the laser sensor DTC inspection.

   Refer to DTC CHECK / CLEAR [07/2015 - ]

   Chassis > Smart City Brake Support > Trouble Codes 

3. Is the same DTC present?

   Result

   Proceed to
   Yes
   No

Result:  2

Yes 

See step  5

Result:  1

No 

See step  4

1. Are any DTCs present?

   Result

   Proceed to
   Yes
   No

Result:  1

No 

DTC TROUBLESHOOTING COMPLETED. 

Result:  2

Yes 

GO TO APPLICABLE DTC INSPECTION.. Refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2015 - ] 

1. If the malfunction recurs, replace the laser sensor, then go to the next step.

   Refer to REMOVAL [07/2015 - ]

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  4

1. Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2015 - ]
2. DTC troubleshooting completed, then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  3

1. Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2015 - ]
2. DTC troubleshooting completed, then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  2