B221F

B221F-AMPLIFIER INTERNAL

WHEN MONITORED
With the ignition on.

SET MONITORED
The Amplifier detects a software checksum test failure.

POSSIBLE CAUSES
- Amplifier

Diagnostic Test

1. REPLACE THE AMPLIFIER
When this code is set, the Amplifier must be replaced.

Repair
Replace the Amplifier. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test