How do you reset the PCM on a Jeep JK?

How do you reset the PCM on a Jeep JK?

bighedder

1. Disconnect the POSITIVE battery Terminal and touch it to ground for 30 seconds to discharge the PCM capacitors, which maintain the Adaptive Memory.
2. Reconnect the Battery Cable.
3. Turn Ignition Switch to the “On” position but DO NOT start the engine.
4. Turn Headlight On.
5. Turn Headlights Off.
6. Turn Ignition Key Off.

How do I reset my 2007 Jeep Wrangler?

How to Reset Jeep Wrangler Codes

1. Open the Wrangler’s hood and prop it up with the support bar.
2. Loosen the bolt on the negative battery clamp using a ratchet and socket.
3. Wait 30 minutes for the computer to reset itself.
4. Put the negative battery clamp back onto the negative battery terminal and tighten the bolt.

How do I reset my Jeep ECM?

Jeep ECU Reset Procedure

1. Jeep Electronic Control Unit Reset.
2. Disconnect the battery by removing the positive battery cable.
3. Ground the positive cable to the negative cable for 30 seconds to erase the electric charge in the capacitors.
4. Reconnect the positive cable to the battery.
5. Turn the key to on but do not start.

Why does my Jeep Wrangler not shift out of second gear?

On my vehicle specifically the O2 sensor codes are coming on and the vehicle will randomly not shift out of second gear which presents itself as a safety hazard when entering high speed freeways and interstates. The O2 sensors were replaced new with oem parts and the codes did not go away.

How to do high RPM upshift on Jeep Wrangler?

You can plug in your FlashCal or whatever programmer you have and see what settings it has for tire, gear etc. Click to expand… No codes, programming was done by a different dealership for the previous owner who had the 3.5″ AEV lift and 35’s done.

Why is my Jeep Wrangler not moving out of Park?

See all problems of the 2014 Jeep Wrangler . Vehicle was driven and put into park. When restarted, even though I was able to move the gear shift, the Jeep would not move out of park. One dealership said it coded as the transmission control module and supposedly replaced it along with a transmission flush.

When did I replace the transmission on my Jeep Wrangler?

But also: Took the same Jeep in for THE SAME PROBLEM in October of last year, replaced a bunch of transmission hard parts which cleared it up for ~4 months of smooth driving. But also also: Apparently doesn’t care to re-read the notes from the previous visit for the same problem… If I could find one that did, you know I’d be going to it.