P0692 on 2021-2023 Jeep Grand Wagoneer — Fan 1 Control Circuit High
1 vehicles · 1 makes · $450-$1,600 repair
Most Reported On
P0692 is an OBD-II diagnostic trouble code meaning “Fan 1 Control Circuit High.” This code means the engine computer detected high voltage (or an open circuit) in the control circuit for cooling fan 1. The PCM commands the fan through a relay and watches the circuit voltage; a high reading usually indicates an open or a relay/wiring fault. If the fan fails to run, the engine can overheat at idle or in slow traffic. This code is most commonly reported on 2021-2023 Jeep Grand Wagoneer, with repair costs ranging from $450 to $1,600.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P0692, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does P0692 mean?
P0692 stands for "Fan 1 Control Circuit High." This code means the engine computer detected high voltage (or an open circuit) in the control circuit for cooling fan 1. The PCM commands the fan through a relay and watches the circuit voltage; a high reading usually indicates an open or a relay/wiring fault. If the fan fails to run, the engine can overheat at idle or in slow traffic.
What are the most common causes of P0692?
The most common causes of P0692 are: Faulty cooling fan relay, Open circuit in the fan control wiring, Failed cooling fan motor, Corroded or disconnected fan connector, Blown fuse feeding the fan circuit, PCM control driver fault. The specific cause varies by vehicle.
How much does it cost to fix P0692?
Repair costs for P0692 range from $450 to $1,600, depending on the vehicle and root cause.
Which vehicles are affected by P0692?
Au7o has documented P0692 across 1 vehicle models from 1 manufacturers: Jeep.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.