P2689: Fuel Supply Heater Control Circuit High
What Does P2689 Mean?
P2689 is a diagnostic trouble code indicating: Fuel Supply Heater Control Circuit High. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
What To Do Next
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.
Related Codes
P2684
Actuator Supply Voltage C Circuit/Open
P2685
Actuator Supply Voltage C Circuit Low
P2686
Actuator Supply Voltage C Circuit High
P2687
Fuel Supply Heater Control Circuit/Open
P2688
Fuel Supply Heater Control Circuit Low
P2690
Cylinder 5 Injector Data Incompatible
P2691
Cylinder 6 Injector Data Incompatible
P2692
Cylinder 7 Injector Data Incompatible