DTC U0030-87: Communication Error With Power Window Main Switch [Retractable Hardtop Control Module]: Notes
WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0030:87 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Communication error with power window main switch |
| Detection condition |
- The retractable hardtop control module cannot receive a power window open signal during the retractable hardtop operation.
|
| Fail-safe |
- Stops retractable hardtop operation at fully open position
|
| Possible cause |
- Short to ground in wiring harness between retractable hardtop control module terminal 4AD and power window main switch terminal 1J
- Open circuit in wiring harness between retractable hardtop control module terminal 4AD and power window main switch terminal 1J
- Power window main switch malfunction
- Retractable hardtop control module malfunction
|
 Courtesy of MAZDA MOTORS CORP.
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