B22A9

B22A9-00-ECU INTERNAL PERFORMANCE

For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

The Radio Frequency Hub (RF-Hub) performs an internal self test. The repair of this fault condition does not involve any external circuitry and centers on verifying the integrity of the internal circuitry and software validity.

- When Monitored:
Continuously.

- Set Condition:
The Radio Frequency Hub (RF-Hub) detects an internal fault.





Diagnostic Test
REPLACE THE RF-HUB IF THE DTC IS ACTIVE
1. With the scan tool, read the active DTCs.

Does the scan tool display this DTC as active?

Yes

- Replace the Radio Frequency Hub (RF-Hub). Radio Frequency Module (RF Hub) - Removal.
- Perform the RADIO FREQUENCY HUB (RF-HUB) VERIFICATION TEST. Vehicle Theft Security RF Hub Verification Test.

No

- Test complete, 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.
- Perform the BODY VERIFICATION TEST. Body Verification Test .