Toyota-Specific OBDII Trouble Codes

Toyota OBD-II Engine Trouble Code Diagnosis and Advice

Anyone who's ever worked on a newer vehicle knows that the on-board diagnostic system is both invaluable and irritating. Invaluable because it provides you with diagnostic codes that help you quickly zero in on a vehicle problem. Irritating because many of these codes are misleading.

We've put together a list of common Toyota trouble codes below, and if the trouble code is linked, there's an article with some trouble code info and diagnostic advice available.

Toyota Specific Codes

Common Trouble Codes

Please note: We've created these engine trouble code resources with every effort to be accurate. However, we can not be held responsible for errors or omissions. For this reason, we strongly suggest that anyone intending to work on their own vehicle invest in a year and model specific repair manual.