2012 Acura RLFACTORY OEM SERVICE PROCEDURE

Relay Control Module

DTC TROUBLESHOOTING INDEX

DTC Description DTC Type See
B1050 Communication circuit error (BUS-OFF) Loss of Communication DTC Troubleshooting (see DTC B1050: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B1150: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B1200: COMMUNICATION BUS LINE (BUS-OFF); DTC B1250: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B1600: KEYLESS ACCESS ECU BUS LINE ERROR (BUS-OFF); DTC B1750: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B1800: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B2100: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B2150: COMMUNICATION CIRCUIT ERROR (BUS-OFF); DTC B2200: COMMUNICATION CIRCUIT ERROR (BUS-OFF) )
B1055 Relay control module lost communication with MICU Loss of Communication DTC Troubleshooting (see DTC TROUBLESHOOTING )
B1056 Relay control module lost communication with MICU (alarm message) Loss of Communication DTC Troubleshooting (see DTC TROUBLESHOOTING )
B1060 Relay control module lost communication with gauge control module (VSP/NE message) Loss of Communication DTC Troubleshooting (see DTC B1060: RELAY CONTROL MODULE LOST COMMUNICATION WITH GAUGE CONTROL MODULE (VSP/NE MESSAGE); DTC B1061: RELAY CONTROL MODULE LOST COMMUNICATION WITH GAUGE CONTROL MODULE (A/T MESSAGE) )
B1061 Relay control module lost communication with gauge control module (A/T message) Loss of Communication DTC Troubleshooting (see DTC TROUBLESHOOTING )
B1062 Relay control module lost communication with combination switch control unit (headlight switch message) Loss of Communication DTC Troubleshooting (see DTC B1062: RELAY CONTROL MODULE LOST COMMUNICATION WITH COMBINATION SWITCH CONTROL UNIT (HEADLIGHT SWITCH MESSAGE); DTC B1063: RELAY CONTROL MODULE LOST COMMUNICATION WITH COMBINATION SWITCH CONTROL UNIT (WIPER SWITCH MESSAGE) )
B1063 Relay control module lost communication with combination switch control unit (wiper switch message) Loss of Communication DTC Troubleshooting (see DTC B1062: RELAY CONTROL MODULE LOST COMMUNICATION WITH COMBINATION SWITCH CONTROL UNIT (HEADLIGHT SWITCH MESSAGE); DTC B1063: RELAY CONTROL MODULE LOST COMMUNICATION WITH COMBINATION SWITCH CONTROL UNIT (WIPER SWITCH MESSAGE) )
B1064 Relay control module lost communication with driver's MPCS unit (door switch message) Loss of Communication DTC Troubleshooting (see DTC B1064: RELAY CONTROL MODULE LOST COMMUNICATION WITH DRIVER'S MPCS UNIT (DOOR SWITCH MESSAGE); DTC B1065: RELAY CONTROL MODULE LOST COMMUNICATION WITH DRIVER'S MPCS UNIT (DOOR LOCK SWITCH MESSAGE) )
B1065 Relay control module lost communication with driver's MPCS unit (door lock switch message) Loss of Communication DTC Troubleshooting (see DTC B1064: RELAY CONTROL MODULE LOST COMMUNICATION WITH DRIVER'S MPCS UNIT (DOOR SWITCH MESSAGE); DTC B1065: RELAY CONTROL MODULE LOST COMMUNICATION WITH DRIVER'S MPCS UNIT (DOOR LOCK SWITCH MESSAGE) )
B1066 Relay control module lost communication with keyless access unit (panic message) Loss of Communication DTC Troubleshooting (see DTC B1066: RELAY CONTROL MODULE LOST COMMUNICATION WITH KEYLESS ACCESS CONTROL UNIT (PANIC MESSAGE) )
B1075 Headlight switch malfunction Signal Error DTC Troubleshooting (see DTC TROUBLESHOOTING )
B1076 Windshield wiper signal error Signal Error DTC Troubleshooting (see DTC TROUBLESHOOTING )
B1077 Wiper switch (As) malfunction Signal Error DTC Troubleshooting (see DTC B1077: WIPER SWITCH (AS) MALFUNCTION )
B1078 Daytime running lights malfunction (Canada) Signal Error DTC Troubleshooting (see DTC B1078: DAYTIME RUNNING LIGHTS MALFUNCTION (CANADA) )
B1079 Daytime running lights malfunction (USA) Signal Error DTC Troubleshooting (see DTC B1079: DAYTIME RUNNING LIGHTS MALFUNCTION (USA) )
B1080 Power supply circuit (IG1 line) input error for relay control module and MICU Signal Error DTC Troubleshooting (see DTC B1080: POWER SUPPLY CIRCUIT (IG1 LINE) INPUT ERROR FOR RELAY CONTROL MODULE AND MICU )
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