1. Gauge control module operation check.
Is the gauge control module OK?
YES
Go to step 2.
NO
Replace the gauge control module.
2. Open wire check (PARK LAMP line).
Electric parking brake control unit 30P connector
Gauge control module connector A (32P)
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Is there continuity?
YES
Go to step 3.
NO
Repair an open in the PARK LAMP wire between the electric parking brake control unit and the gauge control module.
3. Open wire check (GND lines).
Electric parking brake control unit 30P connector
Gauge control module connector A (32P)
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Is there 0.1 V or more?
YES
Repair an open or high resistance in the GND wires between the electric parking brake control unit and body ground (G503) or loose the ground bolt.
NO
The GND wires are OK. Go to step 4.
4. Electric parking brake control unit check (update or substitution).
Does the electric parking brake indicator come on?
YES
If the electric parking brake control unit was updated, troubleshooting is complete. If the electric parking brake control unit was substituted, replace the original electric parking brake control unit.
NO
Check for loose terminals and poor connections in the electric parking brake control unit 30P connector.
If the electric parking brake control unit was updated, substitute a known-good electric parking brake control unit and recheck. If the electric parking brake control unit was substituted and the symptom/indication is still present, replace the original electric parking brake control unit.
Electric Parking Brake Symptom Troubleshooting - Electric Parking Brake
Indicator Does Not Go OFF, And No DTCS Are Stored
Electric Parking Brake Symptom Troubleshooting - Electric Parking
Brake System Indicator Does Not Go OFF, And No DTCS Are Stored
Inputs and Outputs
DTC B0010-13, B0011-13
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