Jul 21, 2020 · The P2302 code indicates a problem with the Ignition Coil A circuit. Troubleshooting steps include: 1) Testing the coil 1 circuit by back probing the coil 1 wire and ASD control wire with a test …

Jun 27, 2019 · P0300 Multiple Cylinder Misfire P2302 Ignition Coil 1 Secondary Circuit - Insufficient Ionization So far I have replaced the plugs, wires, and coil pack all with mopar replacements. Hoping …

Jun 16, 2020 · P2302 Ignition Coil A Secondary Unit Jump to Latest 8.8K views 2 replies 3 participants last post by deepbluerubi Jun 16, 2020 robabbott42 Discussion starter

Jan 19, 2015 · The P2302 code indicates a coil 1 secondary low voltage issue. The original poster replaced the coil rail and plug for coil 1, but the problem persists. Another user is experiencing the …

Oct 20, 2023 · The Jeep Wrangler is throwing a P2302 code, and the owner has tested the coil block control wires, checked fuses and relays, cleaned grounds, and inspected the PCM connections.

Oct 25, 2017 · If you're experiencing a P2302, P2305, or P2308 CEL code on your 2010 Jeep JKU 3.8L, and have already tried replacing the coil, plug wires, and spark plugs, the issue might be a faulty …

Mar 23, 2025 · P0301 is the misfire code for cylinder 1, P2302 is insufficient ionization on cylinder 1 coil secondary. P2302 is not the same thing as a plain misfire code and by itself does not indicate that a …

2012 Jeep Wrangler Unlimited Sport Misfire P0301 and P2302 Diagnosis Wrangler Unlimited Sport often faces ignition coil failures and spark plug misfires causing rough engine performance. Codes P0301 …

Oct 7, 2016 · I posted this over at JeepForum, but thought it could help Jeepers here with the sometimes hard to isolate misfire. I've been having a p0301 misfire for almost two tears. Never random or any …

Customer: I have the following fault codes: P2305, P2308, P2314, P2320, P2323, P2302, P2311, and P2317. Mechanic's Assistant: Just to clarify, what’s the exact code?