U0126-LOST COMMUNICATION WITH STEERING ANGLE SENSOR (SAS)





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

    Battery voltage between 10 and 16 volts.

    IOD fuse installed.

    TIPM configured correctly.

  • Set Condition:

    Bus messages not received from the SAS (steering angle sensor) for approximately 500ms.


Possible Causes
  
CAN C BUS CIRCUITS OPEN OR SHORTED
  
DTC'S RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
  
STEERING ANGLE SENSOR
  
STEERING ANGLE SENSOR POWER AND GROUND
  
TIPM NOT CONFIGURED CORRECTLY
  
MODULE THAT SET THIS DTC
  



Diagnostic Test

1.VERIFY DTC IS ACTIVE

NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing.





Is this DTC active?

Yes
  • Go To 2


No

2.CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S


NOTE: Check for CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's.



Does the scan tool display any active DTC's to the conditions listed above?

Yes
  • Diagnose and repair the DTC. Refer to the Table of Contents for a complete list of the symptoms.


No
  • Go To 3

3.VERIFY THAT THE SAS IS ACTIVE ON THE BUS




Is the SAS active on the bus?

Yes
  • Go To 4


No

4.CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S



Is there more than one module with active DTC's “Logged Against” the SAS?

Yes


No