OBD-II diagnostic trouble code
P0116Caution

Engine Coolant Temperature Circuit Range/Performance

The coolant temperature reading is implausible given how the engine is actually behaving — for instance, showing cold long after the engine should clearly be warmed up.

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Code names are compiled from open/standardized SAE and ISO references. Explanations, symptoms, causes and fixes are original. Covers generic (P0/C0/B0/U0) codes only — manufacturer-specific codes are planned for a future update.

Frequently asked questions

Can I drive with P0116?

You can usually keep driving with P0116, but don't put it off — the underlying cause can get worse or lead to further damage the longer it goes unaddressed. Get it diagnosed as soon as you reasonably can.

How much does it cost to fix P0116?

The cost varies too much by cause and vehicle to give a single figure here — a diagnosis will narrow it down.

What causes P0116?

AS
Reviewed by Artyom SemenovAutomotive Editor · Fact-checked by Yauheni Kapliarchuk, Editor-in-Chief
Code names compiled from open SAE/ISO references; explanations and repair guidance are original editorial content
Last verified: 09 Jul 2026 · Our methodology