Chrysler Voyager. Manual — part 473

TEST

ACTION

APPLICABILITY

2

Turn the ignition off.
Remove the Transmission Oil Pan and Oil Filter per the Service Information.
Install a new Transmission Oil Filter per Service Information.
Reinstall Transmission Oil Pan, and refill with new Transmission Fluid per the
Service Information.
Note: The Transmission Cooler must be flushed before prodceeding.
Start the engine, check and adjust the Transmission Fluid Level per Service
Information.
Allow the engine to idle for 10 minutes, in Park.
Flush the Transmission Oil Cooler per the Service Information.
Turn the ignition off.
Drain and refill the Transmission Fluid.
Flush the Transmission Oil Cooler again.
Start the engine, check and adjust the Transmission Fluid Level per Service
Information.
With the DRBIII

t, perform a Battery Disconnect.

Note: This must be done to re enable EMCC during an A/C Clutch engage-
ment.
The vehicle may exhibit intermittent shudder during the first few hundred miles.
Note: The oil will gradually penetrate the TCC friction material and the
shudder should disappear.
Erase the DTC and return the vehicle to the customer.
Did the Code reset or does the vehicle still shudder after a few thousand miles?

All

Yes

→ Replace the Torque Convertor per the Service Information. Note:

After replacing the Torque Convertor, use the DRBIII to perform
the TCC Break In procedure. This will prevent a possible shudder
condition.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.

No

→ Test Complete.

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TRANSMISSION - EATX

P0897-WORN OUT/BURNT TRANSAXLE FLUID —

Continued

Symptom:

P0944-LOSS OF PRIME

When Monitored and Set Condition:

P0944-LOSS OF PRIME

When Monitored:

If the transmission is slipping in any forward gear and the pressure

switches are not indicating pressure, a loss of prime test is run.

Set Condition:

If the Trans. begins to slip in a forward gear & the press. switch(s) that

should be closed are open a loss of prime test begins. Available elements are turned on by
the TCM to see if pump prime exists.The code sets if no pressure switches respond.

POSSIBLE CAUSES

SHIFT LEVER POSITION

PLUGGED TRANSMISSION OIL FILTER

TRANSMISSION OIL PUMP

INTERMITTENT WIRING AND CONNECTORS

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

t, read the engine DTC’s. Check and repair all engine DTC’s prior

to performing Transmission Symptom Diagnostics.
With the DRBIII

t, 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 flash level of Transmission Control Module. Some problems
are corrected by software upgrades to the Transmission Control Module.
NOTE: Check for applicable TSB’s related to the symptom.
Perform this procedure prior to Symptom diagnosis.

All

Continue

Go To

2

120

TRANSMISSION - EATX

TEST

ACTION

APPLICABILITY

2

Place the gear selector in park.
Start the engine.
NOTE: The TRANS TEMP DEG must be at least 43° C or 110° F before
performing the following steps.
The Transmission must be at operating temperature prior to checking pressure. A
cold Transmission will give higher readings.
Place the Transmission in Reverse.
With the DRBIII

t, observe the Transmission Pressure Switch states.

Are any of the Pressure Switches closed?

All

Yes

→ Go To 3

No

→ Go To 5

3

The conditions necessary to set this DTC are not present at this time.
Test drive the vehicle. Allow the Transmission to shift through all gears and ranges.
Did you experience a delayed engagement and/or a no drive condition?

All

Yes

→ Go To 5

No

→ Go To 4

4

The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorted and open circuits.
With the DRBIII

t, check the EATX EVENT DATA to help identify the conditions in

which the DTC was set.
Were there any problems found?

All

Yes

→ Repair as necessary.

Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.

No

→ Test Complete.

5

With the DRBIII

t, perform a Shift Lever Position test. Follow the manuals on the

DRBIII

t.

Did the Shift Lever Position Test pass?

All

Yes

→ Go To 6

No

→ Refer to symptom list and perform test for DTC P0706.

Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.

6

Remove and inspect the Transmission Oil Pan and Transmission Oil Filter per the
Service Information.
Does the Transmission Oil Pan contain excessive debris and/or is the Oil Filter
plugged?

All

Yes

→ Repair the cause of the plugged Transmission Oil Filter. Refer to

the Service Information for the proper repair procedure.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.

No

→ Go To 7

7

If there are no possible causes remaining, view repair.

All

Repair

Replace the Transmission Oil Pump per the Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.

121

TRANSMISSION - EATX

P0944-LOSS OF PRIME —

Continued

Symptom:

P0952-AUTOSTICK INPUT CIRCUIT LOW

When Monitored and Set Condition:

P0952-AUTOSTICK INPUT CIRCUIT LOW

When Monitored:

The AutoStick circuit is checked every .007 seconds, with the ignition

on, and in both AutoStick and non-AutoStick modes.

Set Condition:

If either the monitored upshift or downshift switch voltages are reported

closed in a non AutoStick mode or the monitored voltage drops below 0.3 volts.

POSSIBLE CAUSES

AUTOSTICK/OD OFF MUX INPUT CIRCUIT SHORT TO GROUND

AUTOSTICK SWITCH

TRANSMISSION CONTROL MODULE

INTERMITTENT WIRING AND CONNECTORS

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

t, read the engine DTC’s. Check and repair all engine DTC’s prior

to performing Transmission Symptom Diagnostics.
With the DRBIII

t, 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 flash level of Transmission Control Module. Some problems
are corrected by software upgrades to the Transmission Control Module.
NOTE: Check for applicable TSB’s related to the symptom.
Perform this procedure prior to Symptom diagnosis.

All

Continue

Go To

2

2

With the DRBIII

t, Check the STARTS SINCE SET counter for P0952.

Note: This counter only applies to the last DTC set.
Is the Starts Since Set counter set at 0?

All

Yes

→ Go To 3

No

→ Go To 6

122

TRANSMISSION - EATX