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Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TEST REFERENCE - P2700-INADEQUATE ELEMENT VOLUME LR

TEST ACTION APPLICABILITY
1
NOTE: Low fluid level can be the cause of many transmission problems. If the fluid level is low locate and repair the leak then check and adjust the fluid level per the Service Information.
NOTE: Always perform diagnostics with a fully charged battery to avoid false symptoms.
With the DRBIII®, read the engine DTC's. Check and repair all engine DTC's prior to performing transmission symptom diagnostics.With the DRBIII®, read Transmission DTC's. Record all DTC's and 1 Trip Failures.
NOTE: Diagnose 1 Trip Failures as a fully matured DTC.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Repair as necessary.Perform the Shift Lever Position Test. If the test does not pass, refer to Symptom test for P0706 CHECK SHIFTER SIGNAL .For Gear Ratio DTC's, check and record all CVI's.Most DTC's set on start up but some must be set by driving the vehicle such that all diagnostic monitors have run.
NOTE: Verify the flash level of the transmission controller. Some problems are corrected by software upgrades to the transmission controller.
NOTE: Check for applicable TSB's related to the problem.
Perform this procedure prior to Symptom diagnosis.ContinueGo To 2		 All
2 With the DRBIII®, erase DTCS
NOTE: The TRANS TEMP DEG must be at least 43°C or 110°F before performing the following steps.

Drive the vehicle and perform at least ten 3-1 manual downshifts at closed throttle from speeds of about 32 km/h or 20 MPH.
With the DRBIII®, read the LR CL VOL INDEX.
Is the LR CL VOL INDEX below 20?
Yes --> Go To 3
No --> Go To 4		 All
3 If there are no possible causes remaining, view repair.
Repair
Repair internal transmission as necessary. Refer to the Service Information for the proper repair procedure for components related to the LR clutch. A broken or weak return spring or a dislocated snap ring could cause this problem.
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 .		 All
4
NOTE: The TRANS TEMP DEG must be at least 43°C or 110°F before performing the following steps.
Perform eight learnable starts. A learnable start is defined as follows: Start engine.From a standstill, accelerate lightly to 80 km/h or 50 MPH, then brake lightly to a stop. Turn off engine.With the DRBIII®, record the CL VOL INDEX (CVI) for all clutches.With the DRBIII®, perform a BATTERY DISCONNECT.With the DRBIII®, read the CVI's and compare them to the readings recorded before the BATTERY DISCONNECT.Are any of the CVI's less than 5 or different than before the BATTERY DISCONNECT?Yes --> Go To 5No --> Test Complete.		 All
5 Using the schematics as a guide, inspect the wiring and connectors. Repair as necessary. Pay particular attention to all power and ground circuits.
If there are no possible causes remaining, view repair.
Repair
Replace the Transmission Control Module per the Service Information. WITH THE DRBIII® PERFORM QUICK LEARN 
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 .		 All
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