2004 Dodge Intrepid Logo
Posted on Aug 19, 2008
Answered

Limp in mode

Transmission wont shift to 3rd gear. yes the check engine is on
how do I delete or fix the "limp in" mode? I own a 2004 intrepid with 92,000 miles. runs fine until eng and trans get to operating temps. That when it goes into limp mode. Diconnecting battery cable resets the PCM and reoccurs within 2-3 miles at hiway speeds. The trans shifts fine and there is no noticeable rpm fluctuations. Have removed sensor plug ins and cleaned with electrcal contact cleaner. Removed and replugged the PCM plug ins. Looks like they have a silicon grease so did not spray them. This problem seems to correlate with the operating temperature of the engine. Tans ATF has good color and shifts smoothly prior to limp mode. Is the software of the PCM reliant on ECM monitoring info? Can O2 sensors, mass air flow, egr, cam sensors or crank position sensors faultor and send into limp mode or is it soley the trans data from input output sensors. If trans sensors bad why is it temp sensitive does the trans have internal trans temp sending unit? I can understand that if it does have trans temp sending unit that it might be at a threshold that the PCM evaluates since winter does occur and cold weather and hydraulics sometime don't cooperate until warmed to operating temperature...

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  • ag guy Sep 09, 2008

    Hooked up OBDII and got threedifferent codes 0750, 0755, 0760...all are solenoid malfunctions. As vehicle gets warmer solenoid in lower gear malfunctions. Operating temp of 208 degrees and low hi fan speeds are functioning. Trans oil and filter look normal... average filings on magnet in pan.

  • F M Sep 12, 2008

    2004 Dodge Intrepid SE

    When at highway speeds of 65mph or above car will randomly jolt and rpm's are between 4 to 6 thousand to maintain speed. Placing shifter to neutral/ignition off (while still moving) and back on/ drive position eliminates problem for varying periods of time. Check engine light and 3 various codes also intermittenly turn off. Sometimes car can go at highway speeds for 100 plus miles with no problem until braking to less than 20mph where above symptoms reappear.

    Is this the Transmission Control Module in need of replacement?

  • Marvin
    Marvin May 11, 2010

    Your trans has a serious issue and most likrely will require an overhaul, the limp mode is due to some kind of serious internal failure, run the PCM codes.

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  • Posted on Nov 07, 2012
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Check for switch batt volts on a scaner could be sol pack or tcm. also look at input and output speed sensors

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  • Posted on Feb 22, 2009
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You have to change the solenoid control if your car is 3.5 engine the solenoid control located at inside the transmission..

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My truck wont shift out of 2nd gear. was pointed to the ignition switch the truck will start but the yellow wire to the switch has no juice in either position. Would this put the truck into limp mode?
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Hi, It may be in LIMP mode.

What is "limp-home mode" ? This is a fault mode in which the transmission either loses electrical power or the PCM deactivates all of the electronics. The transmission will default to max line pressure. The driver will have Reverse and 3rd, with manual 2nd available by putting the gearshift in 2 or 1 (doesn't matter). 1st, 4th, and TCC lockup will not be available. It will not hurt the car to drive it like this for short periods, but use manual 2nd to get the car moving, and be aware that the trans will generate more heat than normal while operating in limp-home mode due to increased torque converter slippage during 2nd gear starts and no lockup in 3rd gear.

Common failures on 4L60E, symptom any possible repair:

Trans shifts into gear harshly, car feels sluggish off the line, No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on: Transmission is either in limp-home mode or has lost electrical power. If there are lots of error codes in the PCM, check the under-hood fuse that powers the transmission, and if it pops again, look for a short in that circuit like an O2 sensor harness touching exhaust. Otherwise, check PCM codes for a particular fault in the transmission causing the PCM to put it in limp-home mode.

No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter :ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

Car goes into gear but feels very sluggish like the brakes are dragging, but it will roll easily (starts out in 4th gear), you manually shift to 2 to get it moving, once it's moving you put it back in OD and the car shifts 3rd to 4th on its own and locks the converter at the appropriate time: ShiftB solenoid failed: Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

Trans seems noisy when moving in 1st and Reverse, noise goes away instantly if you shift to N or the trans goes into 3rd gear: Reaction planetary is worn out due to high miles or insufficient lubrication. Not a critical failure, but not a good sign either. R&R sooner rather than later.

3rd gear starts, can manually shift through all gears. When car has been turned off for a bit, then back on it will run normally.: VSS dropoff w/ Hi-stall converter. The rpms are too high, but VSS is showing no movement. Happens after a tire burning take-off. Doesn't store a code, will not throw a CEL (I've heard that it will store a code if it happens 3 or more times). Cure: Reprogram PCM for VSS dropoff -- PCMforLess knows about it.

If you can get the Jimmy for no more then $500.00 and the engine sounds good and body is good, you may want to invest in the repair of the jimmy. Also note that to have a close look at the fuel line along the frame on the drivers side just by the back doors, the line is know to corroded there on all the SUV's
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Before guessing at transmission problems, check the fluid level (car warmed up, engine running in Park on level ground) and have the PCM scanned for trouble codes FIRST. This guide is meant for problems that do not show up as PCM codes (like shift A&B solenoid failures, for example).
Also note that many problems that show up as transmission issues are actually PCM or electrical, and may be external to the transmission. Try a different PCM, and check for chafing where the cables come out of the PCM.
What is "limp-home mode" ? This is a fault mode in which the transmission either loses electrical power or the PCM deactivates all of the electronics. The transmission will default to max line pressure. The driver will have Reverse and 3rd, with manual 2nd available by putting the gearshift in 2 or 1 (doesn't matter). 1st, 4th, and TCC lockup will not be available. It will not hurt the car to drive it like this for short periods, but use manual 2nd to get the car moving, and be aware that the trans will generate more heat than normal while operating in limp-home mode due to increased torque converter slippage during 2nd gear starts and no lockup in 3rd gear.
No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter : ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.
Trans shifts into gear harshly, car feels sluggish off the line, No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on: Transmision is either in limp-home mode or has lost electrical power. If there are lots of error codes in the PCM, check the underhood fuse that powers the transmission, and if it pops again, look for a short in that circuit like an O2 sensor harness touching exhaust. Otherwise, check PCM codes for a particular fault in the transmission causing the PCM to put it in limp-home mode.
Thank you for using fixya and good luck. Check all your fuses first to ensure it's not a simple as that before you take it to a transmission shop. Call around, most transmission shop will scan free of charge to inspect the condition of your transmission.
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  • Trans shifts into gear harshly, car feels sluggish off the line, No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on: Transmission is either in limp-home mode or has lost electrical power. If there are lots of error codes in the PCM, check the under hood fuse that powers the transmission, and if it pops again, look for a short in that circuit like an O2 sensor harness touching exhaust. Otherwise, check PCM codes for a particular fault in the transmission causing the PCM to put it in limp-home mode.
  • No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter : Shift A solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.
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1999 dodge intrepped wont shift out of first gear
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Mar 06, 2009 • 1999 Dodge Intrepid
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Limp in mode
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