Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
2008 Acura RL
Keyless Access DTCS
2008 Acura RLSECTION Keyless Access DTCS
KEYLESS ACCESS DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1601; B1602 | Keyless Access Control Unit Internal (CPU) Error; Keyless Access Control Unit Internal (EEPROM) Error |
| DTC B1605 | Keyless Access Control Unit Lost Communication with MICU (MICU Message) |
| DTC B1610 | Keyless Access Control Unit Lost Communication with Gauge Control Module (VSP/NE Message) |
| DTC B1613; B1614; B1615 | Keyless Access Control Unit Lost Communication with Driver's MPCS Unit (DOOR SW Message); Keyless Access Control Unit Lost Communication with Driver's MPCS Unit (DRLOCKSW Message); Keyless Access Control Unit Lost Communication with Driver's MPCS Unit (ASLOCKSW Message) |
| DTC B1626 | Ignition Switch Control Unit No Response |
| DTC B1627; B1640 | RF Unit 1 Not Connected; RF Unit 1 Circuit Malfunction |
| DTC B1628; B1641 | RF Unit 2 Not Connected; RF Unit 2 Circuit Malfunction |
| DTC B1645 | Driver's Door LF Antenna Circuit Short |
| DTC B1646 | Driver's Door LF Antenna Circuit Open |
| DTC B1647 | Passenger's Door LF Antenna Circuit Short |
| DTC B1648 | Passenger's Door LF Antenna Circuit Open |
| DTC B1657 | Rear Bumper LF Antenna Circuit Short |
| DTC B1658 | Rear Bumper LF Antenna Circuit Open |
| DTC B1659 | Front Interior LF Antenna Circuit Short |
| DTC B1660 | Front Interior LF Antenna Circuit Open |
| DTC B1663 | Rear Interior LF Antenna Circuit Short |
| DTC B1664 | Rear Interior LF Antenna Circuit Open |
| DTC B1667 | Rear Shelf LF Antenna Circuit Short |
| DTC B1668 | Rear Shelf LF Antenna Circuit Open |
| DTC B1671 | Ignition Switch Control Unit (KEY SW) Circuit Open |
| DTC B1672 | Ignition Switch Control Unit (KNOB SW) Circuit Short |
| DTC B1673 | Ignition Switch Control Unit (KNOB SW) Circuit Open |
| DTC B1674 | Ignition Switch Control Unit (ROTATE SW) Circuit Short |
| DTC B1675 | Ignition Switch Control Unit (ROTATE SW) Circuit Open |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.