Diagnostic Test

CHECK FOR AN ACTIVE CHARGING DTC
1. Verify that the battery is not overcharged with a DVOM.
2. With the scan tool, compare the Battery Voltage listed under "Data" in the RFH View to that of the PCM. If the battery is overcharged, correct this condition before proceeding.
3. With the scan tool, read PCM DTCs and record on the repair order.
  Are there any active Battery or Charging system DTCs present?
  
  Yes
  - Repair PCM DTC(s) in accordance with Service Information. Refer to DTC INDEX .
  No
  - Go To 2
CHECK THE RF HUB
1. With the scan tool, read RF Hub DTCs and record on the repair order.
2. Start the engine and run for two minutes.
3. With the scan tool, read RF Hub DTCs.
  Is the DTC active?
  
  Yes
  - Replace the Radio Frequency Hub (RF Hub) in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
  - Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST .
  No
  - 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 and repair as necessary. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .