B2189-IGNITION START CONTROL CIRCUIT HIGH

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    The TIPM detects a short to voltage condition in the Fused Ignition Switch Output (Start) circuit.


Possible Causes
  
FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT SHORT TO VOLTAGE
  
ENGINE CONTROL MODULE
  
TIPM
  



Diagnostic Test

1.CHECK FOR ACTIVE DTC





Does the scan tool display this DTC as active?

Yes
  • Go To 2


No
  • If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.

2.ENGINE CONTROL MODULE






Did DTC B2188-IGNITION START CONTROL CIRCUIT HIGH change from active to stored?

Yes
  • Replace the Engine Control Module in accordance with the service information.


No
  • Check the Fused Ignition Switch Output (START) circuit for a short to voltage. If this circuit is not shorted to voltage, replace the TIPM.