0 like 0 dislike
3.5k views
by

p1721 obd code what does it mean on my 2008 BMW 745i?

Vehicle: 2008 BMW 745i

1 Answer

0 like 0 dislike
by (8.3k points)
P1721 = CAN Timeout

There is a delay of communication after the ignition is turn ON from the battery.

You should start by checking the battery voltage.

Related questions

1 like 0 dislike
2 answers 1.2k views
0 like 0 dislike
1 answer 425 views
0 like 0 dislike
1 answer 483 views
0 like 0 dislike
1 answer 1.0k views
0 like 0 dislike
1 answer 1.3k views
asked Apr 26, 2018 by anonymous

36.2k questions

32.2k answers

1.3k comments

22.8k users

Need A Repair Shop?
Find local automotive repair shops in your area.
Does your car have Safety Recalls? → Check here
...