Lexus ES: BSM Buzzer Sound Request Signal Malfunction (C2A5C)
DESCRIPTION
This DTC is stored when the rear television camera assembly receives an invalid communication signal from the blind spot monitor sensor RH.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
| C2A5C | BSM Buzzer Sound Request Signal Malfunction | An invalid communication signal is received from the blind spot monitor sensor RH | Rear television camera assembly |
CAUTION / NOTICE / HINT
NOTICE:
-
When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) auxiliary battery terminal, correct the steering angle neutral point.
Click here
-
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.
Click here
PROCEDURE
(a) Clear the DTCs.
Chassis > Rear Camera > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Chassis > Rear Camera > Trouble Codes
| Result | Proceed to |
| DTC C2A5C is output | A |
| DTC C2A5C is not output | B |
| A | | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
| B | | END |
READ NEXT:
DESCRIPTION This DTC is stored when the rear television camera assembly receives an RCTA buzzer circuit malfunction signal from the blind spot monitor sensor RH. DTC No. Detection Item DTC Dete
DESCRIPTION During self diagnosis of the parking assist ECU, the parking assist ECU sends display mode ID signals to the rear television camera assembly. This DTC is stored when the output of the rear
DESCRIPTION During self diagnosis of the parking assist ECU, the parking assist ECU sends display mode ID signals to the side television camera assembly LH. This DTC is stored when the output of the s
SEE MORE:
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and Freeze Frame Data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and Freeze Frame Data. HINT:
DTCs which are stored in the EC
DESCRIPTION The headlight ECU sub-assembly LH stores this DTC if the value from the rear height control sensor sub-assembly LH is out of range when performing initialization of the headlight ECU sub-assembly LH, such as when the vehicle is not level or jacked up. DTC No. Detection Item DTC De
© 2016-2026 Copyright www.lexguide.net
