P0697
Sensor Reference Voltage C Circuit OpenP0697 is a generic OBD-II powertrain diagnostic trouble code: Sensor Reference Voltage C Circuit Open. It is logged by the engine control unit when the glow monitor detects that a specific fault threshold has been exceeded — typically resulting in the malfunction-indicator lamp (MIL / check-engine light) being illuminated.
Detailed reference content for P0697 is being prepared. What you see above — the code's group, system, and the software disable option below — is accurate and complete; the long-form explainer, common causes, symptoms, and diagnostic steps will appear here once they have been reviewed.
Vehicles where we've handled P0697
Platforms in our catalogue with confirmed P0697 coverage.
Related powertrain codes
Disabling P0697 in software
RaceTune can permanently disable P0697 — and any other OBD-II diagnostic trouble code — on every ECU family we support. The monitor is disabled inside the ECU itself, so the fault stops being logged: the warning light stays off and the engine never enters limp mode for this code. The change is tied to your exact software version.
ECUs with a P0697 disable in our catalogue
Confirmed coverage from our recipe database — we support many more families. Upload your file and our identifier will match it automatically.
- Bosch EDC17C50 verified 1 software version
Software modifications affect emissions compliance and are not road-legal in many jurisdictions. RaceTune service files are intended for motorsport, off-road, and export use.
Got P0697 in your scan?
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