Totally Integrated Power Module (TIPM)

B21A1-ECU RESET/RECOVERY OCCURRED



- When Monitored:
With the ignition on.

- Set Condition:
The Totally Integrated Power Module (TIPM) sets this code whenever a non-normal (internal watchdog) reset occurs.





CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
1. Using the scan tool, read the active DTCs.
2. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle.
3. Using the scan tool, read the active DTCs.

Does the scan tool display this DTC as active?

Yes

- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Totally Integrated Power Module.
- Perform the BODY VERIFICATION TEST Body Verification Test.

No

- If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- Perform the BODY VERIFICATION TEST. Body Verification Test.