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Chris
Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3252
Experience:  Jeep Certified Master Tech
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2006 jeep comander 4.7 replaced the trs solenoid pack, code

Customer Question

2006 jeep comander 4.7 replaced the trs solenoid pack, code 750 still returns?????
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: p0750 yes cleared code, restart engine within seconds goes to 3rd gear
JA: Are you fixing your Commander yourself? What have you tried so far?
Customer: put in new solenoid pack in trani along with new filters and new fluid
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 5 months ago.
Category: Jeep
Expert:  david craig replied 5 months ago.

Hi Im David, thanks for visiting the site. please allow me some time took look for a solution for your problem. thanks

Expert:  david craig replied 5 months ago.

Possible Causes RELATED TCM POWER INPUT DTCS PRESENT(T20) LR SOLENOID CONTROL CIRCUIT SHORT TO OTHER CIRCUITS(T20) LR SOLENOID CONTROL CIRCUIT OPEN(T20) LR SOLENOID CONTROL CIRCUIT SHORT TO GROUNDTRANSMISSION SOLENOID/TRS ASSEMBLYPOWERTRAIN CONTROL MODULE

Expert:  david craig replied 5 months ago.

if you replaced the pack then its going to be a wiring issue for sure.

Customer: replied 5 months ago.
The circuit the pcm uses to power the relay has power for 5 seconds when first turn key on, everything is ok within that first 5 secs then power is gone PRNDL shows 3rd
Expert:  david craig replied 5 months ago.

classic p0750 symptom. The Low Reverse (LR) is monitored at initially power-up, then every 10 seconds thereafter. The solenoids will also be tested immediately after a gear ratio or pressure switch error is detected.

Customer: replied 5 months ago.
Ok so on our vehicle its powers up when key First turned on, then no power at all until u shut key off and turn back on again
Expert:  david craig replied 5 months ago.

thats why you need to check the wiring

Expert:  david craig replied 5 months ago.

checking in to see how its going

Expert:  Brad replied 5 months ago.

Good morning and welcome to JustAnswer!!

My name is ***** ***** I have worked for a Chrysler-Dodge-Jeep dealership for 19 years and I will do my best to help.

Do you need some help with this?