DTC 65-11

DTC 65-11  : Brake Fluid Level Switch Circuit Malfunction

NOTE: 

• Bleeding the brake system while turn the vehicle to the ON mode can cause this DTC.
• Before you troubleshoot, review the general troubleshooting information .

DTCs (VSA)

1. Brake fluid level check

   -1. Check the brake fluid level in the master cylinder reservoir.

   Is the brake fluid level OK?

   YES 

   Go to step 2.

   NO 

   Check for worn brake pads or brake fluid leaks.

   • Inspect the brake lines and hoses for leaks , and repair as needed.
   • Inspect the brake pads: Front , rear , and replace worn out brake pads.
   • Add brake fluid and recheck.
2. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

   -4. Wait for 30 seconds or more.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   65-11 Brake Fluid Level Switch Circuit Malfunction

   Is DTC 65-11 indicated?

   YES 

   The failure is duplicated. Go to step 3.

   NO 

   Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

3. Gauge control module check 1

   -1. Release the parking brake.

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

   -3. Check the brake system indicator in the gauge control module.

   Does the indicator come on then go off?

   YES 

   Go to step 7.

   NO 

   Go to step 4.

4. Gauge control module check 2

   -1. Check the parameter(s) below with the HDS.

   Signal	Current conditions
   	Values	Unit
   BRAKE FLUID LEVEL

   Does the HDS indicate ENOUGH?

   YES 

   Replace the gauge control module .

   NO 

   Go to step 5.

5. Brake fluid level switch check

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

   -2. Disconnect the following connector.

   Brake fluid level switch 2P connector

   -3. Turn the vehicle to the ON mode.

   -4. Check the parameter(s) below with the HDS.

   Signal	Current conditions
   	Values	Unit
   BRAKE FLUID LEVEL

   Does the HDS indicate ENOUGH?

   YES 

   Replace the brake fluid reservoir (brake fluid level switch is included) .

   NO 

   Go to step 6.

6. Shorted wire check (BRAKE LEVEL SW line)

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

   -2. Disconnect the following connector.

   Gauge control module 32P connector

   -3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Brake fluid level switch 2P connector: disconnected
   	Gauge control module 32P connector: disconnected
   Test point 1	Brake fluid level switch 2P connector No. 2
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Repair a short to body ground in the BRAKE LEVEL SW wire between the gauge control module and the brake fluid level switch.

   NO 

   The BRAKE LEVEL SW wire is OK. Replace the gauge control module .

7. VSA modulator-control unit check (update)

   -1. Update the VSA modulator-control unit if it does not have the latest software .

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

   -3. Wait for 30 seconds or more.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame

   Is DTC 65-11 indicated?

   YES 

   Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit .

   NO 

   Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.