OBD-II Trouble Codes Home

Is your car's Check Engine Light on? Do you want to repair your car yourself rather than take it into the shop? Are you a shadetree mechanic (DIY)? If so, then this site is for you!
This site is the premier OBD-II ( a.k.a. OBD2 ) trouble codes resource site. Instead of just giving you a cryptic description of what a trouble code means, we offer a lot more information on trouble codes: troubleshooting tips, symptoms, and possible solutions. We strive to give you the most troubleshooting information as possible, in one site. We also feature car repair forums, where you can ask questions, totally free.
What's New?
Recently added or updated trouble code articles:
- Check out FordF150.net, F150 Forum
- May 2020 - 2021 Toyota Venza announced
- Mar 8/19 - P0880, P0881, P0882, P0883, P0884, P0885, P0886, P0887, P0888, P0889, P0890, P0891, P0892
- Mar 7/19 - P0863, P0864, P0865, P0866
- Feb 6/19 - P2336, P2337, P2338, P2339, P2340, P2341, P2342, P2343, P2344, P2345, P2346, P2347
- Feb 5/19 - P2300, P2301, P2302, P2303, P2304, P2305, P2306, P2307, P2308, P2309, P2310, P2311, P2312, P2313, P2314, P2315, P2316, P2317, P2318, P2319, P2320, P2321, P2322, P2323, P2324, P2325, P2326, P2327, P2328, P2329, P2330, P2331, P2332, P2333, P2334, P2335
- Jan 5/19 - P228A, P228B, P228C, P228D, P228E, P228F, P229A, P229B, P229C, P229D
- Dec 21/18 - P2288, P2289, P2290, P2291, P2292
- Oct 19/18 - P2243, P2244, P2245, P2246, P2247, P2248, P2249, P2250, P2257, P2258, P2259, P2260
- Sept 16/18 - P206E, P206F, P2070, P2071
- Sept 11/18 - P204F, P205F, P2059, P2060, P2061, P2062, P2063, P2064
- Aug 20/18 - P204A, P204B, P204C, P204D, P204E, P219C, P219D, P219E, P219F
- Aug 13/18 - P2042, P2043, P2044, P2045, P2046, P205A, P205B, P205C, P205D, P205E
- Aug 12/18 - P2037, P2038, P2039, P2040, P2041, P209A, P209B, P209C, P209D, P209E, P20E6, P20E7
- Aug 3/18 - P2029, P2030, P202A, P202B, P202C, P202D, P202F
- Jul 25/18 - P0817, P0818, P0819, P081A, P081B, P081C, P081D, P081E
- Jul 5/18 - P0814, P0815, P0816
- Jul 2/18 - P201A, P202E, P20F6, P20F7
- Jun 26/18 - P0812, P0813
- Jun 20/18 - P0803, P0804, P0810, P0811
- Jun 11/18 - P0800, P0801, P0802
- May 31/18 - P0893, P0894, P0895, P0896
- May 24/18 - Updated privacy policy
- May 10/18 - P2280, P2281, P2282
- May 1/18 - P20D7, P20D8, P20D9, P20DA, P20DB, P20DC
- Apr 28/18 - P20DD, P20DE, P20DF, P20E0, P20E1
- Apr 26/18 - P20CB, P20CC, P20CD, P20CE, P20CF, P20D0, P20D1, P20D2, P20D3, P20D4, P20D5, P20D6
- Apr 17/18 - P2047, P2048, P2049, P2050, P2051, P2052, P2053, P2054, P2055, P2056, P2057, P2058
- Apr 13/18 - P20B9, P20BA, P20BB, P20BC, P20BD, P20BE, P20BF, P20C0, P20C1, P20C2, P20C3, P20C4, P20C5, P20C6, P20C7, P20C8
- Apr 9/18 - P200C, P200D, P200E, P200F
- Mar 31/18 - P2251, P2252, P2253, P2254, P2255, P2256
- Mar 29/18 - P2231, P2232, P2233, P2234, P2235, P2236, P2237, P2238, P2239, P2240, P2241, P2242
- Mar 28/18 - P200A, P200B, P2425, P2426, P2427, P2271, P2273, P2274, P2275, P2276, P2277
- Mar 23/18 - P20EC, P20ED, P20EE, P20EF, P20F0, P20F1, P20F2, P20F3
- Mar 15/18 - P0AFD, P0A7E, P0AFC
- Mar 12/18 - P2A01, P2A02, P2A04, P2A05
- Mar 10/18 - P0A7F
- Mar 7/18 - P219A, P219B
- Mar 6/18 - P0A7D
- Feb 19/18 - P245A, P245B, P245C, P245D
- Feb 18/18 - P2556, P2557, P2558, P2559, P2560, P260A, P260B, P260C, P260D, P253F
- Feb 17/18 - P06AF, P06B0, P06B1, P06B2, P06B3, P06B4, P06B5, P253A, P253B, P253C, P253D, P253E, P254A, P254B, P254C, P254D, P254E, P255A, P255B, P255C, P255D, P255E codes added
- Jan 24/18 - P069E, P069F
- Jan 9/18 - P068A, P068B, P0688, P0689, P0690
- What's New Archive
Frequently Asked Questions
- What is OBD?
- OBD-II Codes Explained
- How do I reset the "Check Engine" Light?
- What are fuel trims?
- Full list of Frequently Asked OBD Questions
Recent OBD-II Forum Discussions
- Help! P0508-P0113-P0123
Working on a 2006 Pacifica touring 3.5. it'll idle fine but when you put it in drive it dies. While idling if you try to give it gas it cuts out and sputters I've changed oxygen sensors the ...
- Fiat Punto 188 (2001 mk2 jtd) P0006 + P000A
Hi, I got a fiat punto with codes P0006 and P000A, see attachment. It all started with an electric steering error which after replacing the relays on the electric pump and steering ecu the...
- 2000 Mirage 1.8L P0170 Code
Hi, i'm new to this forum, so bear with me! From what i've been reading online, the P0170 code seems to be a common problem, and troubleshooting it is like chasing ghosts. History: Almost...
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I am trying to figure out code EO5 and o2h on my 07 Eos 2.o turbo fsi engine. These are climatic codes...
- Buick Enclave P018b, P2635, U0074, U8a2
Hi all- My daughter has a 2016 Buick Enclave that was making the squealing fuel pump noise with a check engine light . She took it to a reputable repair shop where the fuel pump was replace...
- B0090 code after disassembly of dashboard
We removed the dashboard components to access the gauge cluster for replacement. At this point no airbag icon was present. Got new cluster installed. Gained a functional cluster but also gai...
- Honda civic 2.2 airbag 12 10
Codes 12-10 and and 54-20 stuck for ideas now! Tried a fair few things to fix it....
- Rough idel
I have a 2006 range rover sport hs4. When i bought it tge thermaste was bad. My girlfriends fathe4 replaced it. Now its throwing a series of codes and start rough and has shacky idel. Any su...
- Code P0690
Have replaced all related relays and still have a intermittent no start...
- 2021 Grand Cherokee alignment issue!
I have a 2021 Grand Cherokee L Summit Reserve. Recently, it had alignment issues when it pulled to the right. I always have to keep the pressure on the left and it's worse when the car is on...
- Renault Megan 3 OBD Connection Problem
Hey guys, hopefully someone can help me. I have 3 interfaces: - RenOLink OBDLink SX - VCDS OBD HEX V2 - ILC OBD2 WIFI None of them is working with OBDwiz and DDT4ALL. Explanation to Re...
- Código p117A nissan versa
Me apareció este código me dice q tengo mezcla rica se cambió el sensor maf después de eso apareció este código al manejarlo el carro empeza a perder fuera y cascabelea...
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