Keyless Access Control Unit
KEYLESS ACCESS CONTROL UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description | DTC type |
|---|---|---|
| B1601 | Keyless access control unit internal (CPU) error | Internal error |
| B1602 | Keyless access control unit internal (EEPROM) error | Internal error |
| B1632 | MTR CONT signal error | Signal error |
| B1640 | RF1 antenna not connected or malfunction | Signal error |
| B1645 | Driver's door LF antenna circuit short | Signal error |
| B1646 | Driver's door LF antenna circuit open | Signal error |
| B1647 | Passenger's door LF antenna circuit Short | Signal error |
| B1648 | Passenger's door LF antenna circuit open | Signal error |
| B1649 | Driver side rear passenger door LF antenna circuit short | Signal error |
| B1650 | Driver side rear passenger door LF antenna circuit open | Signal error |
| B1651 | Passenger side rear passenger door LF antenna circuit short | Signal error |
| B1652 | Passenger side rear passenger door LF antenna circuit open | Signal error |
| B1659 | Front interior LF antenna circuit short | Signal error |
| B1660 | Front interior LF antenna circuit open | Signal error |
| B1663 | Rear interior LF antenna circuit short | Signal error |
| B1664 | Rear interior LF antenna circuit open | Signal error |
| U1280 | Keyless Access Control Unit communication Bus Line Error (BUS-OFF) | Loss of communication |
| U1281 - Refer to: DTC Troubleshooting: U1281, U128D (Keyless Access Control Unit) (2019 2020 2021) or DTC Troubleshooting: U1281, U128D (Keyless Access Control Unit) (2016 2017 2018) . |
Keyless access control unit lost communication with MICU | Loss of communication |
| U128D - Refer to: DTC Troubleshooting: U1281, U128D (Keyless Access Control Unit) (2016 2017 2018) DTC Troubleshooting: U1281, U128D (Keyless Access Control Unit) (2019 2020 2021) or . |
Keyless access control unit lost communication with gauge control module | Loss of communication |