DTC C1131-12

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DTC C1131-12 : Electric Parking Brake Indicator Circuit Short (ECU Internal Circuit Malfunction)

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC Description	DTC
C1131-12 Electric Parking Brake Indicator Circuit Short (ECU Internal Circuit Malfunction)

DTC (Electric parking brake)

DTC check

-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. Apply the parking brake, then release the parking brake using the electric parking brake switch.

-5. Wait for 20 seconds or more.

-6. Check for DTCs with the HDS.

DTC Description	DTC
C1120-14 Electric Parking Brake Switch Circuit Malfunction
C1120-96 Electric Parking Brake Switch Malfunction
C1131-12 Electric Parking Brake Indicator Circuit Short (ECU Internal Circuit Malfunction)

Is DTC C1131-12 indicated?

YES

If only DTC C1131-12 is indicated, check for any authorized service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good electric parking brake control unit , then recheck. If the symptom/indication goes away with a known-good electric parking brake control unit, replace the original electric parking brake control unit .

YES

If DTC C1120-14 or C1120-96 are also indicated, go to indicated DTC's troubleshooting.

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