B1240-STEP SWITCH STUCK





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    The Instrument Cluster detects the Step Switch active for greater than 20 seconds.


Possible Causes
  
(G103) STEP SWITCH INPUT CIRCUIT SHORT TO GROUND
  
UPPER SWITCH BANK
  
INSTRUMENT CLUSTER
  



Diagnostic Test

1.CHECK FOR ACTIVE DTC









Is DTC: B1240-STEP SWITCH STUCK active?

Yes
  • Go To 2


No
  • The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
  • Perform BODY VERIFICATION TEST VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

2.CHECK OPERATION OF THE UPPER SWITCH BANK









Does the scan tool display : B1240-STEP SWITCH STUCK?

Yes
  • Go To 3


No

3.CHECK THE (G103) STEP SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND







Is the resistance below 10K ohms?

Yes


No