Clearing P0546 error - a related question

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Roybridge
Posts: 7
Joined: Sun Nov 11, 2018 9:50 pm
Vehicle: Ford B-Max, Diesel 1.6, 2015

Clearing P0546 error - a related question

Post by Roybridge » Thu Aug 22, 2019 7:52 am

I have a P0546 (Exhaust Fas Temperature Sensor Circuit High) error in the PCM and OBDII modules of my Ford B-Max. I have run some Redex diesel particulate filter cleaner through the system, and I have cleared the code using FORScan. I notice that in the service menu, there is an option to reset the stored Exhaust Gas Temperature value. Should I be running that after clearing the fault code?

denbo
Posts: 605
Joined: Mon Feb 06, 2017 3:00 pm
Vehicle: ford focus 16 zetec

Re: Clearing P0546 error - a related question

Post by denbo » Thu Aug 22, 2019 6:27 pm

If the fault has gone and not returned, leave it at that.

Roybridge
Posts: 7
Joined: Sun Nov 11, 2018 9:50 pm
Vehicle: Ford B-Max, Diesel 1.6, 2015

Re: Clearing P0546 error - a related question

Post by Roybridge » Fri Aug 23, 2019 2:35 pm

Unfortunately, the code comes back a couple of days after clearing :(

denbo
Posts: 605
Joined: Mon Feb 06, 2017 3:00 pm
Vehicle: ford focus 16 zetec

Re: Clearing P0546 error - a related question

Post by denbo » Fri Aug 23, 2019 6:18 pm

Looks like a new sensor required

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