DTC U201F:00 [Advanced Keyless Entry And Push Button Start System]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION AND POSSIBLE CAUSE
| DETECTION CONDITION |
Communication error with keyless receiver |
| POSSIBLE CAUSE |
- Connector or terminal malfunction
- Short to ground in wiring harness between keyless receiver terminal C and keyless control module terminal 2H
- Open circuit in wiring harness between keyless receiver terminal C and keyless control module terminal 2H
- Keyless receiver malfunction
- Keyless control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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