DTC C1131-12

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

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

DTC (Electric parking brake)

1. 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 press the brake pedal and release the parking brake.

   - 5. Wait 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.

   NO 

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