DTC U0031-86; Communication Error With Power Window Main Switch: Notes

Description	Communication error with power window main switch
Detection condition	The retractable fastback control module receives a power window open signal for 30 s or more.
Fail-safe	Stops retractable fastback operation at fully open position
Possible cause	Short to power supply in wiring harness between retractable fastback control module terminal 4AD and power window main switch terminal 1J Short to ground in wiring harness between retractable fastback control module terminal 4AD and power window main switch terminal 1J Retractable fastback control module malfunction Power window main switch malfunction
Courtesy of MAZDA MOTORS CORP.