DTC Troubleshooting: C0049-7A

DTC C0049-7A: Brake Fluid Leak or Seal Failure

NOTE:

Before you troubleshoot, review the general troubleshooting information.

The DTCs may be indicated under these conditions:

?	Bleed the brake system.
?	Air trapped in the brake system.

DTC Description	DTC	Freeze Frame
C0049-7A Brake Fluid Leak or Seal Failure

Problem verification:

Problem verification

?1.	Turn the vehicle to the ON mode.

?2.	Clear the DTCs with the HDS.

?3.	Turn the vehicle to the OFF (LOCK) mode, then wait 5 seconds or more. NOTE: Do not open and close the driver's door.

?4.	Start the engine.

?5.	Press the brake pedal several times.

?6.

Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame
C0049-7A Brake Fluid Leak or Seal Failure

Is DTC C0049-7A indicated?


	YES

The failure is duplicated. Go to step 2.


	NO

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?

Brake fluid leakage check:

Brake fluid leakage check

?1.	Press the brake pedal hard and hold for several seconds.

?2.	Inspect the brake system.

Is there a fluid leak?


	YES

Repair the brake fluid leak.?


	NO

Go to step 3.

Master cylinder check:

Master cylinder check

?1.	Bleed the brake system.

?2.	Clear the DTCs with the HDS.

?3.	Turn the vehicle to the OFF (LOCK) mode, then wait 5 seconds or more. NOTE: Do not open and close the driver's door.

?4.	Start the engine.

?5.	Press the brake pedal several times.

?6.

Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame
C0049-7A Brake Fluid Leak or Seal Failure

Is DTC C0049-7A indicated?


	YES

Replace the master cylinder.?


	NO

Troubleshooting is complete.?