2006 Jeep Grand Cherokee: Transmission Over Temp Warning on Dash?

Transmission and its related components needs to be checked/inspected.

First of all, make sure transmission fluid level is OK.

This warning message is displayed on control panel dash because for some reason computer does not receive transmission temp information from the sensor and that is why you can see warning and also in some cases unusual gear changing will be noticed.
I recommend you to  monitor transmission temperature with a scan tool when the problem exists and if it shows something abnormal, then wiring to the temp sensor should be inspected.


It is also a good option to scan your Powertrain Control Module for trouble codes just to see if it sets any codes for a transmission temperature sensor.
The transmission temperature sensor is a part of the transmission solenoid assembly that is located inside the transmission. It could an intermittent wiring issue caused by a bad contact somewhere within connectors.

This details will help.
Thanks.

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2007 Jeep Wrangler: OBD Error Code P2704?

Check Engine light code P2704.
Its a transmission related error code.


P2704 (INADEQUATE ELEMENT VOLUME 4C) trouble code usually means there is a mechanical problem within the transmission.
You computer just monitor a clutch volume index (CVI) and when it sees it is out of range, it just sets a trouble code.
You can check and update your computer software( if it is available) but it won't fix this trouble code as it is a mechanical issue.
Below is the description and possible causes:
Theory of Operation
The volumes of the transmission fluid needed to apply the friction elements are continuously monitored and learned for adaptive controls. As the clutch friction material wears, the volume of fluid needed to apply the clutch increases. Certain transmission mechanical problems can cause near-zero learned volumes resulting in setting a DTC.
Some possible reasons
BROKEN 4C RETURN SPRING OR DISLODGED SNAP RING
BROKEN 4C ACCUMULATOR SPRING(S)
HYDRAULIC LEAK IN THE VALVE BODY
TRANSMISSION SOLENOID/TRS ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

This possibilities needs to be checked.
This will help.
Thanks.

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