Error code 2A99

webrits

Member
Hi all,

Recently had the CEL come on and I've read code 2A99 from INPA.

Had the same code a few weeks ago and I cleared it yet its back again...No noticeable problems with the car... Any ideas guys??

z4_error.jpg


Sorry - image here now !
 
Looks like the crank position sensor is intermittently sending implausible readings. Check the wiring connections, but it probably needs replacing. I hate changing parts without verifying fault, but it's hard to do with intermittent faults.

Also check your battery health, the second fault voltage is a bit low. OTOH, note the faults all occurred when cold, which does point to a sensor issue, but it's not critical since it appears to work properly once warm.
 
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