P0692 2016 GMC Sierra Code - Cooling Fan Speed Output Circuit High Voltage
Quick Answer
The engine cooling fan system is composed of 2 electric cooling fans, fan motors, and 2 control modules. Common causes include Faulty Cooling Fan Control Module, Cooling Fan Control Module harness is open or shorted, Cooling Fan Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0692 2016 GMC Sierra indicates Cooling Fan Speed Output Circuit High Voltage.
- Common causes
- Common causes include Faulty Cooling Fan Control Module, Cooling Fan Control Module harness is open or shorted, Cooling Fan Control Module circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0692 2016 GMC Sierra Description
The cooling fan speed is affected by many different conditions and the ECM will adjust the duty cycle from 0 - 100 percent based on cooling system requirements. The scan tool output control is only capable of operating the cooling fan increments, between 10 - 90 percent. 90 percent is considered high-speed fan. When multiple cooling fan speed requests are received, the ECM operates the fan at the highest speed requests.
The Diagnostic Trouble Code (DTC) will be set when the commanded state of the driver and the actual state of the control circuit do not match for greater than 5 s.
What are the Possible Causes of the DTC P0692 2016 GMC Sierra?
- Faulty Cooling Fan Control Module
- Cooling Fan Control Module harness is open or shorted
- Cooling Fan Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0692 2016 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0692 2016 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0692 2016 GMC Sierra Code
1. What does the OBDII code P0692 mean on a 2016 GMC Sierra?
P0692 indicates a high voltage issue in the cooling fan speed output circuit, meaning the fan may not be operating as intended.
2. What are common symptoms of P0692 in a 2016 GMC Sierra?
Symptoms may include an illuminated check engine light, overheating engine, cooling fan running at incorrect speeds, or the fan not operating at all.
3. What causes the P0692 code to appear?
Common causes include a faulty cooling fan relay, damaged wiring or connectors in the fan circuit, a malfunctioning cooling fan motor, or a failed engine control module (ECM).
4. Can I drive my 2016 GMC Sierra with a P0692 code?
Driving with a P0692 code is not recommended, as it can lead to engine overheating and potential damage if the cooling fan is not functioning properly.
5. How do I diagnose the P0692 code on my 2016 GMC Sierra?
Start by inspecting the cooling fan relay, wiring, and connectors for damage or corrosion. Use a multimeter to check voltage in the circuit and test the cooling fan motor and ECM if necessary.
6. How do I fix the P0692 code on a 2016 GMC Sierra?
Repairs may involve replacing a faulty cooling fan relay, repairing damaged wiring, replacing the cooling fan motor, or reprogramming or replacing the ECM if needed.
7. What tools are needed to troubleshoot P0692 on a GMC Sierra?
You’ll need an OBDII scanner, a multimeter, and potentially a wiring diagram for the cooling fan circuit to accurately diagnose the issue.
8. How much does it cost to repair the P0692 code on a 2016 GMC Sierra?
The cost depends on the root cause. Replacing a cooling fan relay may cost $50–$150, while a new cooling fan motor could range from $200–$400. ECM replacement or reprogramming may exceed $500.
9. Can a bad cooling fan motor trigger the P0692 code?
Yes, a malfunctioning cooling fan motor can cause high voltage in the circuit, leading to the P0692 code.
10. Is P0692 a common issue in the 2016 GMC Sierra?
While not extremely common, P0692 can occur due to wear and tear in the cooling fan system or electrical issues, especially in older vehicles or those with high mileage.
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