Fault codes P2300–P2399
P23xx codes mainly cover: ignition and misfires, knock sensor. Our list has 47 codes in this range. With most of them you can drive gently, but get the car checked soon. Repairs cost roughly €40–350, depending on the fault. The most common are P2301, P2302, P2303. Based on AI combined with our hands-on workshop experience and knowledge.
Most common in this range
P2301Ignition coil control circuit: signal or voltage too high ("A")P2302Ignition coil secondary circuit: circuit fault ("A")P2303Ignition coil control circuit: signal or voltage too low ("B")P2304Ignition coil control circuit: signal or voltage too high ("B")P2305Ignition coil secondary circuit: circuit fault ("B")P2306Ignition coil control circuit: signal or voltage too low ("C")P2307Ignition coil control circuit: signal or voltage too high ("C")P2308Ignition coil secondary circuit: circuit fault ("C")
All codes in this range
P2301Ignition coil control circuit: signal or voltage too high ("A")P2302Ignition coil secondary circuit: circuit fault ("A")P2303Ignition coil control circuit: signal or voltage too low ("B")P2304Ignition coil control circuit: signal or voltage too high ("B")P2305Ignition coil secondary circuit: circuit fault ("B")P2306Ignition coil control circuit: signal or voltage too low ("C")P2307Ignition coil control circuit: signal or voltage too high ("C")P2308Ignition coil secondary circuit: circuit fault ("C")P2309Ignition coil control circuit: signal or voltage too low ("D")P2310Ignition coil control circuit: signal or voltage too high ("D")P2311Ignition coil secondary circuit: circuit fault ("D")P2312Ignition coil control circuit: signal or voltage too low ("E")P2313Ignition coil control circuit: signal or voltage too high ("E")P2314Ignition coil secondary circuit: circuit fault ("E")P2315Ignition coil control circuit: signal or voltage too low ("F")P2316Ignition coil control circuit: signal or voltage too high ("F")P2317Ignition coil secondary circuit: circuit fault ("F")P2318Ignition coil control circuit: signal or voltage too low ("G")P2319Ignition coil control circuit: signal or voltage too high ("G")P2320Ignition coil secondary circuit: circuit fault ("G")P2321Ignition coil control circuit: signal or voltage too low ("H")P2322Ignition coil control circuit: signal or voltage too high ("H")P2323Ignition coil secondary circuit: circuit fault ("H")P2324Ignition coil control circuit: signal or voltage too low (no. 9)P2325Ignition coil control circuit: signal or voltage too high (no. 9)P2326Ignition coil secondary circuit: circuit fault (no. 9)P2327Ignition coil control circuit: signal or voltage too low ("J")P2328Ignition coil control circuit: signal or voltage too high ("J")P2329Ignition coil secondary circuit: circuit fault ("J")P2330Ignition coil control circuit: signal or voltage too low ("K")P2331Ignition coil control circuit: signal or voltage too high ("K")P2332Ignition coil secondary circuit: circuit fault ("K")P2333Ignition coil control circuit: signal or voltage too low ("L")P2334Ignition coil control circuit: signal or voltage too high ("L")P2335Ignition coil secondary circuit: circuit fault ("L")P2336Knock sensor: knock above threshold (cylinder 1)P2337Knock sensor: knock above threshold (cylinder 2)P2338Knock sensor: knock above threshold (cylinder 3)P2339Knock sensor: knock above threshold (cylinder 4)P2340Knock sensor: knock above threshold (cylinder 5)P2341Knock sensor: knock above threshold (cylinder 6)P2342Knock sensor: knock above threshold (cylinder 7)P2343Knock sensor: knock above threshold (cylinder 8)P2344Knock sensor: knock above threshold (cylinder 9)P2345Knock sensor: knock above threshold (cylinder 10)P2346Knock sensor: knock above threshold (cylinder 11)P2347Knock sensor: knock above threshold (cylinder 12)
Want a definite answer?
Bring the car to our workshop in Estonia for diagnostics. We read the fault codes, test the sensors and tell you what is wrong. Repair price depends on the work involved, generally €45 per hour.