Sunroof Module

B222E - Flash Checksum Performance

For a complete wiring diagram, refer to.

• When Monitored: With the ignition ON.

• Set Condition: The module detects a fault during an internal diagnostic check.






Test Step 1 - Sunroof Motor/Module

• With the scan tool, read the active DTCs.

• Cycle the ignition switch from off to on at least 5 times, leaving the ignition ON for a minimum of 90 seconds per cycle.

• With the scan tool, read the active DTCs.

Does the scan tool display B222E - Flash Checksum Performance?

Yes

• Replace the sunroof motor/module.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

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. Refer to => Non-DTC Based Diagnostics. Body Interior