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Service Rear Axle code on the dyno

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Old Mar 13, 2015 | 03:28 PM
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Default Service Rear Axle code on the dyno

Fluid level is fine, all connectors good. Keeps coming on after 2 - 3 pulls.

Bad pump?

Also wondering if the code causes the car to go into limp mode as power seems to fall off.

Any help appreciated!

2015 C7 7-speed Z51 3k miles.
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Old Mar 14, 2015 | 11:13 PM
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Originally Posted by Newton06
Fluid level is fine, all connectors good. Keeps coming on after 2 - 3 pulls.

Bad pump?

Also wondering if the code causes the car to go into limp mode as power seems to fall off.

Any help appreciated!

2015 C7 7-speed Z51 3k miles.
Dyno runs often trigger false codes----Mostly traction control and ABS--because the front wheels are standing still and the rears are going over 100 MPH---so the ECM thinks the fronts are locked up skidding----Possibly with an E-diff. the ECM is thinking the same thing--
If it goes away with normal driving--most likely that's all it was--
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Old Mar 15, 2015 | 02:20 PM
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Check the battery cables, make sure they are nice and tight.
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Old Mar 15, 2015 | 10:54 PM
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Perfectly normal. Happened on all 4 of my dyno sessions. Message went away before I was even out of the parking lot afterwards. I didn't notice any changes on the rollers. Pulls done in track mode with TC off (hold TC button).
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