DTC B2635-12 (2021)

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

DTC B2635-12 : Short to Power in The Sensor Main Switch Indicator Line

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

DTC Description	DTC
B2635-12 Short to Power in The Sensor Main Switch Indicator Line

DTCs (Parking and Back-Up Sensor Control Unit)

Problem verification

-1. Clear the DTCs with the HDS.

-2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

-3. Wait for at least 6 seconds.

-4. Turn the parking and back-up sensor switch to ON.

-5. Wait for at least 6 seconds.

-6. Check for DTCs with the HDS.

DTC Description	DTC
B2635-12 Short to Power in The Sensor Main Switch Indicator Line

Is DTC B2635-12 indicated?

YES

Go to step 2.

Intermittent failure, the system is OK at this time. Check for loose or poor connections.

Shorted wire check (C/SNSR IND line)

-1. Turn the vehicle to the OFF (LOCK) mode.

-2. Disconnect the following connectors.

Parking and back-up sensor control unit 24P connector
Parking and back-up sensor switch 10P connector

-3. Turn the vehicle to the ON mode.

-4. Measure the voltage between test points 1 and 2.

Test condition	Vehicle ON mode Parking and back-up sensor control unit 24P connector: disconnected Parking and back-up sensor switch 10P connector: disconnected
Test point 1	Parking and back-up sensor control unit 24P connector No. 24
Test point 2	Body ground

Is there battery voltage?

YES

Repair a short to power in the C/SNSR IND wire.

Replace the parking and back-up sensor control unit .