What does code P0117 mean on a Aston Martin and is it safe to drive?
P0117: Engine Coolant Temperature Circuit Low Input. Here's what it means on your Aston Martin, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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What this code means
The PCM sees an unrealistically low voltage from the coolant temperature sensor, often reading as extremely hot.
Common causes for your Aston Martin
- Short to ground in coolant temp sensor wiring
- Failed coolant temperature sensor
- Corroded connector
Symptoms
- Check Engine Light
- Cooling fans may run constantly
- Possible hard starting or poor performance
Typical fixes
- Replace coolant temperature sensor
- Repair wiring/connector
Repair cost range
For a Aston Martin, repairs for P0117 often fall between $120 and $350, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.