Diagnostic Test

CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
NOTE:
Before proceeding with the diagnostic procedure, verify that the connections are properly made, properly seated and verify proper pin terminal tension. A loose connection at any of SCCM connectors may cause the DTC to set.
1. Turn the ignition on.
2. Press the Downshift Switch twice. (The scan tool can be used to monitor switch status. Status can be viewed in the SCCM data display.)
3. With the scan tool, read DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
LEFT REMOTE RADIO SWITCH (PADDLE SHIFTER)
NOTE:
Check for a stuck Downshift Switch. Repair as necessary.
1. With the scan tool, view the switch status. Status can be viewed in the SCCM data display.
2. While monitoring the Downshift Switch status with the scan tool, actuate the switch multiple times.
  Does the scan tool display the correct status of the switch in the data display?
  
  Yes
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  
  WARNING:
  Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
  
  WARNING:
  Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.
  
  NOTE:
  Visually and physically inspect the wiring harness between the Remote Radio Switch harness connectors and the Right Steering Wheel Switch (Speed Control Switch) harness connector. Repair any damaged wires, connectors, and open/spread terminals. If harness is OK, proceed with test.
  - Replace the Left Remote Radio Switch in accordance with the Service Information. Refer to SWITCH, REMOTE RADIO, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .