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Diesel Pre heater active warning

G-Man

Grenadier Owner
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It's been snowing/sub zero here for most of the week. On Tuesday I had the same orange engine coil 'Preheater Active' warning come up on the centre console as I started the engine and then it flashed at me for the next 50 miles. I thought about stopping and doing the old 'lock the car up and restart' trick to re-set the system but there were no other warning lights up on the driver's console and I was in a hurry to get home and beat the weather so just kept going. It's not happened again, even though it's gotten colder through the week.

I have 6.5K miles on the clock and it's the first time I've encountered the quirk. As a lifetime diesel vehicle driver I always wait for the heater coil light on the driver's console to extinguish before I turn over the engine. Has anyone else taken it up with their service centre and had it fixed or is it just a software glitch and not worth worrying about?

Thanks
 

Skydance

Grenadier Owner
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It's been snowing/sub zero here for most of the week. On Tuesday I had the same orange engine coil 'Preheater Active' warning come up on the centre console as I started the engine and then it flashed at me for the next 50 miles. I thought about stopping and doing the old 'lock the car up and restart' trick to re-set the system but there were no other warning lights up on the driver's console and I was in a hurry to get home and beat the weather so just kept going. It's not happened again, even though it's gotten colder through the week.

I have 6.5K miles on the clock and it's the first time I've encountered the quirk. Has anyone else taken it up with their service centre and had it fixed or is it just a software glitch and not worth worrying about?

Thanks
I’m presuming it’s a diesel. Mine last couple of days pre heater symbol on very cold morning start up then goes away.
 

G-Man

Grenadier Owner
Local time
5:23 PM
Joined
May 19, 2022
Messages
320
Reaction score
627
Location
Aberdeen, Scotland
I’m presuming it’s a diesel. Mine last couple of days pre heater symbol on very cold morning start up then goes away.
Aye it's a diesel. Perhaps I was a split second too quick to start the engine once the coil symbol went out. Annoying though.
 
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