Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASADAS CONTROL UNIT (DTC/CIRCUIT DIAGNOSIS)DTC/CIRCUIT DIAGNOSISICC/ADAS (ADAS CONTROL UNIT 2)DTC C1A13-73: STOP LAMP RLY FIXDTC DESCRIPTION
2024 Nissan-Datsun Frontier SL, RWD
DTC Description
2024 Nissan-Datsun Frontier SL, RWDSECTION DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms | DTC detection condition | |||
|---|---|---|---|---|---|
| (Trouble diagnosis content) | [Malfunction type] | ||||
| C1A13 | 73 | STOP LAMP RLY FIX (Stop lamp relay fix) | [ACTUATOR STUCK CLOSED] | Diagnosis condition | When driving at the vehicle speed of 40 km/h (25 MPH) or more for approximately 20 seconds or more without the brake pedal depressed |
| Signal (terminal) | - | ||||
| Threshold | The stop lamp remains ON under the following conditions:
|
||||
| Diagnosis delay time | 60 seconds or more | ||||
POSSIBLE CAUSE
- Stop lamp switch circuit
- Stop lamp switch
- Incorrect stop lamp switch installation
- ICC brake hold relay
- ICC brake hold relay circuit
- ADAS control unit 2
- ECM
FAIL-SAFE
The following systems are canceled:
- Vehicle-to-vehicle distance control mode
- Conventional (fixed speed) cruise control mode
- Automatic Emergency Braking (AEB)
- Intelligent Forward Collision Warning (I-FCW)
- Rear Automatic Braking (RAB)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.