Chrysler Voyager. Manual — part 483

Symptom:

*TRANSMISSION NOISY WITH NO DTC’S PRESENT

POSSIBLE CAUSES

INCORRECT FLUID LEVEL

INTERNAL TRANSMISSION PROBLEM - NOISY

INTERNAL TRANSMISSION PROBLEM - NOISY WHILE STANDING STILL

TEST

ACTION

APPLICABILITY

1

Check the Transmission Fluid Level per the Service Information.
Is the fluid level OK?

All

Yes

→ Go To 2

No

→ Adjust fluid level and repair cause of incorrect fluid level.

2

Place vehicle on hoist.
WARNING: BE SURE TO KEEP HANDS AND FEET CLEAR OF ROTATING
WHEELS.
Run vehicle on hoist under conditions necessary to duplicate the noise.
NOTE: It may be necessary to test drive the vehicle to duplicate the noise.
Using Chassis Ears or other suitable listening device, verify the source of the noise.
Is the noise coming from the transmission?

All

Yes

→ Go To 3

No

→ Test Complete.

3

With the shift lever in neutral, raise the engine speed and listen to the noise.
NOTE: THE RADIO MUST BE TURNED OFF. Alternator noise can come
through the speakers and be misinterpreted as Transmission Pump Whine.
This can happen even with the volume turned down.
Does the noise get louder or change pitch while the engine speed is changing?

All

Yes

→ Go To 4

No

→ Go To 5

4

If there are no possible causes remaining, view repair.

All

Repair

Repair internal transmission problem as necessary. Inspect all of
the transmission components for signs of wear. If no problems
found, replace the Transmission oil pump..

5

If there are no possible causes remaining, view repair.

All

Repair

Repair internal transmission problem as necessary. Inspect all of
the transmission components for signs of wear. Pay particular
attention to bearings, pinion gears, etc. Repair or replace as
necessary.

159

TRANSMISSION - EATX

Symptom:

*TRANSMISSION SHIFTS EARLY WITH NO DTC’S

POSSIBLE CAUSES

INTERNAL TRANSMISSION PROBLEM - NOISY

TEST

ACTION

APPLICABILITY

1

If there are no possible causes remaining, view repair.

All

Repair

Repair internal transmission problem as necessary. Inspect all of
the transmission components for signs of wear. Pay particular
attention to bearings, pinion gears, etc. Repair or replace as
necessary.

160

TRANSMISSION - EATX

Symptom:

*TRANSMISSION SIMULATOR 8333 WILL NOT POWER UP

TEST

ACTION

APPLICABILITY

1

NOTE: If the Transmission Simulator Miller tool #8333 will not power up,
this is a symptom of the Transmission Relay being open, such as Limp-in,
and/or this also could be a indication of the Transmission Simulator not
installed correctly on the vehicle.
NOTE: Check the Simulator ground cable connection.
NOTE: Check all Transmission Simulator harness connections.
Repair these symptoms before having the Transmission Simulator Miller Tool #8333
repaired.

All

Continue

Test Complete.

161

TRANSMISSION - EATX

Symptom:

P0122-THROTTLE POSITION SENSOR/APPS LOW

When Monitored and Set Condition:

P0122-THROTTLE POSITION SENSOR/APPS LOW

When Monitored:

Continuously with the ignition on and engine running.

Set Condition:

This DTC will set if the monitored TPS voltage drops below .078 volts for

the period of 0.48 seconds.

POSSIBLE CAUSES

RELATED TPS ENGINE DTC’S PRESENT

POWERTRAIN 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 Engine DTC’s. Check and repair all Engine DTC’s prior to

performing any 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 Powertrain Control Module. Some problems are
corrected by software upgrades to the Transmission and Engine software.
NOTE: Check for applicable TSB’s related to the problem.
Perform this procedure prior to Symptom diagnosis.

All

Continue

Go To

2

2

With the DRBIII

t, check Engine DTC’s, this includes all one trip failures.

Are there any Engine TPS DTCs present?

All

Yes

→ Refer to the Powertrain category and perform the appropriate

symptom.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.

No

→ Go To 3

162

TRANSMISSION - NGC