OBD · Cooling
P0116 Engine coolant temperature range or performance
What this code means
P0116 is a generic OBD code shared by all manufacturers since 2001 for petrol and 2004 for diesel. It relates to: cooling. The code tells you what the ECU measured as abnormal, not necessarily which part to replace.
Most common causes
- Stuck thermostat#1
- Low coolant#2
Cost of related repairs
| Independent garage | Main dealer | |
|---|---|---|
| Thermostat | £80 – £280 | £115 – £470 |
| Coolant flush | £60 – £155 | £85 – £265 |
How to read this code
An OBD scanner plugged into the 16-pin socket under the steering wheel reads and clears codes. Bluetooth models cost £20 to £40. Clearing a code without fixing the fault is pointless: it comes back.
Related problems
Frequently asked questions
What does code P0116 mean?
P0116: Engine coolant temperature range or performance. P0116 is a generic OBD code shared by all manufacturers since 2001 for petrol and 2004 for diesel. It relates to: cooling. The code tells you what the ECU measured as abnormal, not necessarily which part to replace.
Can I drive with code P0116?
Fix soon. Drive gently and as little as possible. The fault can get worse and damage other parts.
How much does it cost to fix P0116?
Thermostat: £80 – £280, Coolant flush: £60 – £155.
How to read this code
An OBD scanner plugged into the 16-pin socket under the steering wheel reads and clears codes. Bluetooth models cost £20 to £40. Clearing a code without fixing the fault is pointless: it comes back.