E-Diff Fault
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Senior Member
Joined: Aug 2013
Posts: 102
Likes: 12
From: TX
E-Diff Fault - '13 XFR
I've got a '13 XFR with about 24K miles. My warranty expires in February of 2018 (10 months to go).
Yesterday, after driving the car to work in the morning, I had to run a quick errand. Upon startup, I got the E-Diff Fault error message on the screen. Stopping/starting the car again did not clear it. After driving around to run my errand, I parked it for 7 or 8 hours.
When I started it back up in the afternoon, the fault was gone. I never noticed any weird driveability issues.
How concerned should I be that my e-diff is toasted? The car is at the dealer now... is there anything i should tell them to be sure to inspect? It's a dealership that recently added Jaguar to their stable of brands, so they are not experienced with Jaguar per se.
Any advice appreciated.
Yesterday, after driving the car to work in the morning, I had to run a quick errand. Upon startup, I got the E-Diff Fault error message on the screen. Stopping/starting the car again did not clear it. After driving around to run my errand, I parked it for 7 or 8 hours.
When I started it back up in the afternoon, the fault was gone. I never noticed any weird driveability issues.
How concerned should I be that my e-diff is toasted? The car is at the dealer now... is there anything i should tell them to be sure to inspect? It's a dealership that recently added Jaguar to their stable of brands, so they are not experienced with Jaguar per se.
Any advice appreciated.
Veteran Member
Joined: May 2014
Posts: 1,180
Likes: 542
From: San Francisco, CA
A low battery voltage can cause all sorts of errors, including with the E-Diff. Do you use the car regularly? It might be a sign of the battery starting to fail. If it's still the factory one (likely with a 2013 car) then this is a possibility, especially with "phantom" errors.
The E-Diff is operated by an electric motor, so if anything has toasted with these symptoms showing (and it's very unlikely if you couldn't see a problem that anything is toast) it's most likely to be the motor or a sensor associated with it, which would hopefully limit any repair cost.
Worth getting the dealer to check for any codes, but beyond that, I wouldn't be too concerned.
The E-Diff is operated by an electric motor, so if anything has toasted with these symptoms showing (and it's very unlikely if you couldn't see a problem that anything is toast) it's most likely to be the motor or a sensor associated with it, which would hopefully limit any repair cost.
Worth getting the dealer to check for any codes, but beyond that, I wouldn't be too concerned.
