B221C
B221C-MEMORY SEAT MODULE INTERNAL
- When Monitored:
Ignition on.
- Set Condition:
If the Memory Seat Module (MSM) internal self-test fails.
TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Cycle the ignition switch off and then on again.
4. Using a scan tool, read DTCs.
Does the scan tool display DTC B221C-MEMORY SEAT MODULE INTERNAL?
Yes
- Replace the Memory Seat Module (MSM).
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.
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.
- Perform POWER SEAT SYSTEM VERIFICATION TEST. Power Seat System Verification Test.