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DTC 09: ER22

id0902f6818600

DTC 09: Er22 | Base unit (peripheral circuit)
DETECTION CONDITION | • Base unit detects malfunction in its internal circuit (related to tuner).
POSSIBLE CAUSE | • Base unit malfunction

Diagnostic procedure

Step | Inspection | Action
--- | --- | ---
- | INSPECT BASE UNIT • Clear DTC. • Turn on radio and operate it for 3 s or more. • Start on-board diagnostic test mode. • Is DTC 09: Er22 displayed? | Yes | Replace base unit.
No | Troubleshooting completed.