Jeep starts but shuts off.


Asked by codadof4 Aug 11, 2008 at 09:34 PM about the 1994 Jeep Grand Cherokee

Question type: Maintenance & Repair

I replaced the batt in my 94 GC and now it won't stay running and the security light flashes how can I fix it?

15 Answers

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unhook the neg side of battery for about 5 minutes so the computer can reset itself,if this dont do it ,look in fusebox and pull the ECM fuse for same amount of time,replace.this should fix your problem.

10 out of 10 people think this is helpful.
John Sexton

Computer must relearn. Have you scanned the computer for trouble codes?

1 out of 1 people think this is helpful.
Bill Baker

I know on some Chryslers you just had to lock and unlock the door with the key to disable the security system. You should give that a try.

2 out of 2 people think this is helpful.
Dessie Orr

take ur ignition key to the passenger door turn to lock then unlock and that will reset ur computer

3 out of 3 people think this is helpful.
Christopher Bush

change the alternater

1 out of 1 people think this is helpful.
Thomas Marcum

take your key and turn the drivers side door lock to the right , then left and then right again ...this will reset the security system.

6 out of 6 people think this is helpful.

2002 Grand Cherokee. Here's what happened to me: At every start, the engine would run for ~3 seconds, then die. Here's the solution: Use only a Jeep key made by Jeep. Analysis: I was using spare key (made at local auto parts store). It appears the official jeep key enables the security system when you insert it into the 'key hole'. Notes: If you see an intermittent problem like this, consider getting OEM (original equip. mfg., i.s, jeep) key.

1 out of 1 people think this is helpful.

BTW, intermitent problem indicates key is wearing out.


What worked for my 1994 Jeep GC was the key ticket(unlock, lock and unlock) in the rear door (tail gate) and then open the door.

3 out of 3 people think this is helpful.

R0620 worked for me. 1994 Jeep GC. Close all doors. Insert FACTORY key in the rear liftgate lock. Turn right (alarm sounds); turn left; turn right. Open driver's door and start engine. Voila!

2 out of 2 people think this is helpful.

I have done these things had it at dealer and got new key and it is still shutting off after 3 seconds

2 out of 2 people think this is helpful.

can the security system be shut down

3 out of 3 people think this is helpful.

The driver's door is the primary lock. For my Jeep the rear tailgate was the primary lock port. The security had been changed. Try each doors(unlock, lock and unlock) after reconnecting the battery. The security may believe it is a break-in.


Thank you guys for this; my primary lock was the passenger door.

Sue Randolph-Whiteman

97 jeep it starts but it shuts off after 3 seconds any answers place

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