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P05xx OBD-II Trouble Codes (Speed / Idle Controls)

This is the listing of P05xx OBD-II diagnostic trouble codes (DTCs). They all start with P05 (e.g. P0500, P0507, etc.), the first letter P designates they are powertrain related codes, the next digits 05 indicates they are vehicle speed controls and idle control systems related codes. The codes below are considered generic because they apply to all makes/models of OBD-II vehicles, although specific diagnosis & repair steps may vary.

We have literally thousands more codes listed on the site, use the links below to go to the other code listings. If you can't find what you need, please use our search or ask a question in the forums.

Quick links to other trouble codes (starts with): P00xx : P01xx : P02xx : P03xx : P04xx : P05xx : P06xx : P07xx : P08xx : P09xx : P0Axx : P0Bxx : P0Cxx : P1*** : P20xx : P21xx : P22xx : P23xx : P24xx : P25xx : P26xx : P27xx : P28/P29/P2A/P2B : P34xx

For all other codes not listed in the links above or below, see our main trouble codes listing.

OBD-II DTC Codes - P0500-P0599 - Vehicle Speed Controls and Idle Control System

Next: P0600-P0699 trouble codes

Quick links to other trouble codes (starts with): P00xx : P01xx : P02xx : P03xx : P04xx : P05xx : P06xx : P07xx : P08xx : P09xx : P0Axx : P0Bxx : P0Cxx : P1*** : P20xx : P21xx : P22xx : P23xx : P24xx : P25xx : P26xx : P27xx : P28/P29/P2A/P2B : P34xx

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