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Hi does anyone know what this fault could be? Only does it in when accelerating hard and have to back off the pedal
 

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2011 Range Rover Supercharged
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159 Posts
Most cars will hold a gear longer under hard acceleration to remain in the HP powerband (higher rpm). Under light acceleration the transmission shifts at much lower rpm to ensure smoother transparent shifting.
 

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The ZF transmissions learn over time. Usually they will start off in 2nd gear.

It's likely that the previous owner liked taking off pretty quick, and so the transmission learned to start in first instead of second.

You could theoretically reset the transmission parameters, but it does matter how many miles are on the truck as a transmission reset is quite harsh on it. I wouldn't do it say past 85,000 miles.

But.. it may be worth it.
 
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