RobF 0 Posted July 9, 2017 Share Posted July 9, 2017 My son's girlfriend has a 2014 that is throwing two codes: - P0693 Fan 2 control circuit low - P0128 Coolant temperature (coolant temperature below thermostat regulating temperature) It has a new thermostat/housing assembly (I replaced after her dad pried out the thermostat when it was stuck shut and she needed to get back to college - no parts houses in her town had a thermostat in stock) and seems to be running ok. It doesnt have a temp gauge, but checking the head temp with an IR temp gun shows about 160 near all cylinders. Seemed about right so I'm thinking new thermostat is working and engine is getting up to temp. I took a guess at that point and replaced the coolant temp sensor thinking that might be cause of P0128. I cleared the codes by disconnecting the battery but they both returned later the same day. I don't want to throw more parts at it so if someone has a service manual, would you look up those two codes (P0693 & P0128) and let me know what it says? Thanks in advance. Link to post Share on other sites
Mr.tozzi 66 Posted July 9, 2017 Share Posted July 9, 2017 Are the fans running with the ac off right after you turn the car on? If they are check the fan relays in the fuse box under the hood, theres a chance someone shorted the relay to keep the fans running so the car would not overheat. Retired old Gearhead 1 Link to post Share on other sites
Bobby MSME 100 Posted July 10, 2017 Share Posted July 10, 2017 (edited) 23 hours ago, RobF said: Edited July 10, 2017 by Bobby MSME n/a Retired old Gearhead 1 Link to post Share on other sites
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