Diagnostic Test

VERIFY DIAGNOSTIC TROUBLE CODE (DTC) B221A-HEATED SEAT MODULE INTERNAL IS ACTIVE
1. Turn the ignition on.
2. Using a scan tool, record and erase DTCs.
3. Cycle the ignition switch off and then on again.
4. Using a scan tool, read DTCs.
  Does DTC B221A-HEATED SEAT MODULE INTERNAL reset?
  
  Yes
  - Replace the Heated Seat Module (HSM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .