P23xx OBD-II Trouble Codes
P23xx OBD-II Trouble Codes
This is a list of P23xx OBD-II Diagnostic Trouble Codes (DTCs). They all start with P23 (eg P2302, P2321, etc.). The first two P2 characters denote that they are generic transmission-related codes. The codes below are considered generic as they apply to all makes / models of OBD-II vehicles, although the specific diagnostic and repair steps may differ.
We have literally thousands of other codes listed on the site, use the links below to navigate to other code lists. If you can't find what you are looking for, use our search engine or ask a question on the forums.
Quick links to other trouble codes (starting 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 list of major trouble codes.
P2300-P2399 Fault codes
- P2300 Ignition Coil "A" Primary Control Circuit Low
- P2301 Ignition Coil "A" Primary Control Circuit High
- P2302 Ignition Coil "A" Secondary Circuit
- P2303 Ignition Coil "B" Primary Control Circuit Low
- P2304 Ignition Coil "B" Primary Control Circuit High
- P2305 Ignition Coil "B" Secondary Circuit
- P2306 Ignition Coil "C" Primary Control Circuit Low
- P2307 Ignition coil "C" in the primary control circuit, high signal level
- P2308 Ignition Coil "C" Secondary Circuit
- P2309 Ignition Coil "D" Primary Control Circuit Low
- P230A, P230B, P230C, P230D, P230E, P230F ISO / SAE Reserved
- P2310 Ignition Coil "D" Primary Control Circuit High
- P2311 Ignition Coil "D" Secondary Circuit
- P2312 Ignition Coil "E" Primary Control Circuit Low
- P2313 Ignition Coil "E" Primary Control Circuit High
- P2314 Ignition Coil "E" Secondary Circuit
- P2315 Ignition Coil "F" Primary Control Circuit Low
- P2316 Ignition Coil "F" Primary Control Circuit High
- P2317 Ignition Coil "F" Secondary Circuit
- P2318 Ignition Coil "G" Primary Control Circuit Low
- P2319 Ignition Coil "G" Primary Control Circuit High
- P231A, P231B, P231C, P231D, P231E, P231F ISO / SAE Reserved
- P2320 Ignition Coil "G" Secondary Circuit
- P2321 Ignition Coil "H" Primary Control Circuit Low
- P2322 Ignition coil "H" in the primary control circuit, high signal
- P2323 Ignition Coil "H" Secondary Circuit
- P2324 Ignition Coil "I" Primary Control Circuit Low
- P2325 Ignition coil "I" in the primary control circuit, high signal
- P2326 Ignition Coil "I" Secondary Circuit
- P2327 Ignition Coil "J" Primary Control Circuit Low
- P2328 Ignition coil "J" in the primary control circuit, high signal
- P2329 Ignition Coil "J" Secondary Circuit
- P232A, P232B, P232C, P232D, P232E, P232F ISO / SAE Reserved
- P2330 Ignition Coil "K" Primary Control Circuit Low
- P2331 Ignition coil "K" in the primary control circuit, high signal
- P2332 Ignition Coil "K" Secondary Circuit
- P2333 Ignition Coil "L" Primary Control Circuit Low
- P2334 Ignition Coil "L" Primary Control Circuit High
- P2335 Ignition Coil "L" Secondary Circuit
- P2336 Cylinder 1 Above Knock Threshold
- P2337 Cylinder 2 Above Knock Threshold
- P2338 Cylinder 3 Above Knock Threshold
- P2339 Cylinder 4 Above Knock Threshold
- P233A, P233B, P233C, P233D, P233E, P233F ISO / SAE Reserved
- P2340 Cylinder 5 Above Knock Threshold
- P2341 Cylinder 6 Above Knock Threshold
- P2342 Cylinder 7 Above Knock Threshold
- P2343 Cylinder 8 Above Knock Threshold
- P2344 Cylinder 9 Above Knock Threshold
- P2345 Cylinder 10 Above Knock Threshold
- P2346 Cylinder 11 Above Knock Threshold
- P2347 Cylinder 12 Above Knock Threshold
- P2348 - P23FF ISO/SAE Reserved
Next: Trouble Codes P2400-P2499
Quick links to other trouble codes (starting 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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