Question about 2006 Jeep Commander
Engine light on and own't shift
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Posted on Jan 02, 2017
SOURCE: 93 jeep AW-4 transmission won't
Why you change solenoids? Some first problem there? I suggest read this article: Jeep AW4 Diagnosis
Sound like a Torque Converter problem, but in additiona I post here some of the most common problems:
* Incorrect transmission fluid (cost: $50-60) - most common problem! (even in 2010)
* Computer needs retraining (try this as soon as you've changed the fluid)
* Solenoid pack (cost: about $60-$160 plus labor. Might be clogged and fixable.)
* Ground strap broken/missing - may be misdiagnosed as needing a new transmission and/or computer.
* Clogged hydraulic "brain" ($0 to $150)
* Bad input sensor (common) - "Can be seen on scan tool screen as input rpm -if it's 0, replace the sensor."
* Computer firmware needs upgrade (Chrysler dealer should do this for free but might run up to $200)
* Incorrect filter used in last fluid change
* Loose electrical connection
* Torque converter (see the bump shift section)
* Gear selector issues
Keep us updated.
Posted on Jun 16, 2011
SOURCE: 93 jeep grand Cherokee with
Are your try cleaning the NSS (Neutral Safety Switch). Your fluid levesl are OK? Keep in mind that when the transmission overheats, the TCM shutsdown the OVERDRIVE to reduce the heat in the transmission. First thing I would do... is check the tranny fluid level. Then, maybe have the fluid and filter changed along with a flushing.
Is it never going into overdrive, or is it slipping out of overdrive? If it never goes, then it might be as suggested above. Whereas if it slips out of overdrive... could be another transmission solenoid (rare) or some adjust request. Sounds like the TCM or the Temperature Sensor is failed (included Thermostat).
Additionally, I quote other interesting commets:
After trying everything I could think of, I noticed that when the automatic locks failed to engage (at around 15mph) that's when the transmission would not shift into OD. So, now when the locks don't lock and the transmission doesn't shift to OD, I put the transmission in neutral and turn off the ignition and let it coast to a slow speed (see above caution). When I start the engine again and put the transmission back into drive, the locks engage and so does the OD. Works for me. I'm currently doing research on what causes the locks to engage automatically. I'm thinking it will be a vacum or a switch.
Hope this helps. Keep us updated.
Posted on Jun 17, 2011
DTC P0733 - Gear 3 Incorrect Ratio.
DTC P0734 - Gear 4 Incorrect Ratio
Both codes are for the trans slipping; the trans is going bad and slipping. Theres not much that can be done from the outside. If you choose to fix it, id go with a good used to keep costs down.
First I suggest try changing the fluid and filter. Although the fluid may look like it is brand new, with 100K on the fluid, I can assure you that even if those miles were all highway at steady speed and no load that the fluid has deteriorated and no longer lubricating the internal parts properly and that there is some debris in the tranny. Also check valve body.
If codes return and shifting problems are still present, there is definite internal failure, possibly the pump or in the clutches. I have yet to see one with both these codes that wasn't either due to old fluid or internal damage
I hope this helps.
Posted on Jul 21, 2011
Tips for a great answer:
cold start issues:----
through the list of help links mentioned below:----
the link :----
Cold start problem and vehicle shudder around 2500 to
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Automatic transmission shift lever issues?-------
AUTOMATIC TRANSMISSION FLUID LEVEL? --
AUTOMATIC TRANSMISSION FLUID AND FILTER?
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transmission fluid leaking?
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Automatic transmission will not go into reverse?
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This will help.
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