2001 CHRYSLER VOYAGER air condition

Symptom:
P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT
When Monitored and Set Condition:
P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT
When Monitored: During Electronically Modulated Converter Clutch (EMCC) Operation.
Set Condition: A) Transmission must be in EMCC, with input speed > than 1750 RPM.
TCC/L-R sol achieves the maximum duty cycle & can't pull engine RPM within 60 RPM of
input speed. B) Transmissions is in FEMCC & engine slips TCC > than 100 RPM for 10
seconds.
POSSIBLE CAUSES
RELATED DTC'S PRESENT
INTERMITTENT OPERATION
INCORRECT FLUID LEVEL
INTERNAL TRANSMISSION PROBLEM - TCC OUT OF RANGE
TEST ACTION APPLICABILITY
1NOTE: 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 DRBIIIt, read the engine DTC's. Check and repair all engine DTC's prior
to performing Transmission Symptom Diagnostics.
With the DRBIIIt, 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 P0705 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
61
TRANSMISSION

TEST ACTION APPLICABILITY
2 Ignition on, engine not running.
With the DRBIIIt, read Transmission DTC's
Are the DTCs P0750 and/or P1784 present also?All
Ye s®Refer to symptom list for problems related to DTC P0750 and/or
P1784.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 3
3 Ignition on, engine not running.
With the DRBIIIt, record and erase Transmission DTCs.
Drive the vehicle until it is fully warmed up to at least 43.33É C or 110É F.
Perform the following steps 3 times.
With the DRBIIIt, monitor TPS degree.
Drive the vehicle to the speed of 83.45 Km/h or 50 MPH and allow 4th gear to engage
for at least 10 seconds.
Close the throttle, then tip back in until the throttle angle, TPS degrees, is between
25 and 29 degrees.
NOTE: If you go over 30 TPS degrees, you must back off of the throttle and
retry.
Did the TCC engage during any of the attempts?All
Ye s®Go To 4
No®Go To 5
4 The conditions necessary to set the DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wires while checking for shorts and open circuits.
This DTC can also be set under extreme temperature conditions, this is usually
caused by an internal problem. Verify if the problem is only experienced under
extreme hot or cold conditions.
Were there any problems found?All
Ye s®Repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Test Complete.
5 Check the Transmission Fluid level per the Service Information.
Is the Transmission Fluid level at the proper level?All
Ye s®Go To 6
No®Adjust the Transmission fluid level per the Service Information.
Repair the cause of the incorrect Transmission Fluid level.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
6 If there are no possible causes remaining, view repair. All
Repair
Repair internal transmission problem. Inspect the Valve Body per
service information and replace if necessary. If no problems are
found in the Valve Body, replace the Solenoid/Pressure switch
assembly. Replace the Torque Converter in either case
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
62
TRANSMISSION
P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT ÐContinued

Symptom:
P0750-LR SOLENOID CIRCUIT
When Monitored and Set Condition:
P0750-LR SOLENOID CIRCUIT
When Monitored: Initially at power-up, then every 10 seconds thereafter. The solenoids
will also be tested immediately after a Gear Ratio or Pressure Switch error is detected.
Set Condition: Three consecutive solenoid continuity test failures, or one failure if a test
is run in response to a Gear Ratio or Pressure Switch error.
POSSIBLE CAUSES
RELATED RELAY DTC'S PRESENT
INTERMITTENT WIRING AND CONNECTORS
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
L/R SOLENOID CONTROL CIRCUIT OPEN
L/R SOLENOID CONTROL CIRCUIT SHORT TO GROUND
L/R SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
L/R SOLENOID INOPERATIVE
TCM - L/R SOLENOID
TEST ACTION APPLICABILITY
1NOTE: 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 DRBIIIt, read the engine DTC's. Check and repair all engine DTC's prior
to performing Transmission Symptom Diagnostics.
With the DRBIIIt, 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 P0705 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
63
TRANSMISSION

TEST ACTION APPLICABILITY
7 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Measure the resistance of the L/R Solenoid Control circuit from the TCM harness
connector to the Solenoid/Pressure Switch Assembly harness connector.
Is the resistance above 5.0 ohms?All
Ye s®Repair the L/R Solenoid Control circuit for an open.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 8
8 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Measure the resistance between ground and the L/R Solenoid Control circuit.
Is the resistance below 5.0 ohms?All
Ye s®Repair the L/R Solenoid Control circuit for a short to ground.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 9
9 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Remove the Transmission Control Relay from the IPM.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the Fused B+ circuit and the Transmission Control
Relay Output circuit in the Transmission Control Relay connector in the IPM.
Ignition on, engine not running.
Measure the voltage of the L/R Solenoid Control circuit in the TCM harness
connector.
Is the voltage above 0.5 volt?All
Ye s®Repair the L/R Solenoid Control circuit for a short to voltage.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 10
10 If there are no possible causes remaining, view repair. All
Repair
Replace the Transmission Control Module. WITH THE DRBIIIt
PERFORM QUICK LEARN AND REPROGRAM PINION FAC-
TOR.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
11 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 shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Test Complete.
65
TRANSMISSION
P0750-LR SOLENOID CIRCUIT ÐContinued

Symptom:
P0755-2-4 SOLENOID CIRCUIT
When Monitored and Set Condition:
P0755-2-4 SOLENOID CIRCUIT
When Monitored: Initially at power-up, then every 10 seconds thereafter. They will also
be tested immediately after a Gear Ratio or Pressure Switch error is detected.
Set Condition: Three consecutive Solenoid continuity test failures, or one failure if test is
run in response to a Gear Ratio or Pressure Switch error.
POSSIBLE CAUSES
RELATED RELAY DTC'S PRESENT
INTERMITTENT WIRING AND CONNECTORS
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
2-4 SOLENOID CONTROL CIRCUIT OPEN
2-4 SOLENOID CONTROL CIRCUIT SHORT TO GROUND
2-4 SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
2-4 SOLENOID
TCM - 2-4 SOLENOID
TEST ACTION APPLICABILITY
1NOTE: 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 DRBIIIt, read the engine DTC's. Check and repair all engine DTC's prior
to performing Transmission Symptom Diagnostics.
With the DRBIIIt, 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 P0705 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
66
TRANSMISSION

TEST ACTION APPLICABILITY
7 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the 2-4 Solenoid Control circuit from the TCM harness
connector to the Solenoid/Pressure Switch Assembly harness connector.
Is the resistance above 5.0 ohms?All
Ye s®Repair the 2-4 Solenoid Control circuit for an open.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 8
8 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the 2-4 Solenoid Control circuit.
Is the resistance below 5.0 ohms?All
Ye s®Repair the 2-4 Solenoid Control circuit for a short to ground.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 9
9 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Remove the Transmission Control Relay from the IPM.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the Fused B+ circuit and Transmission Control Relay
Output circuit in the Transmission Control Relay connector in the IPM.
Ignition on, engine not running.
Measure the voltage of the 2-4 Solenoid Control circuit in the TCM harness
connector.
Is the voltage above 0.5 volt?All
Ye s®Repair the 2-4 Solenoid Control circuit for a short to voltage.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 10
10 If there are no possible causes remaining, view repair. All
Repair
Replace the Transmission Control Module .WITH THE DRBIIIt
PERFORM QUICK LEARN AND REPROGRAM PINION FAC-
TOR.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
11 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 shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Test Complete.
68
TRANSMISSION
P0755-2-4 SOLENOID CIRCUIT ÐContinued

Symptom:
P0760-OD SOLENOID CIRCUIT
When Monitored and Set Condition:
P0760-OD SOLENOID CIRCUIT
When Monitored: Initially at power-up, then every 10 seconds thereafter. They will also
be tested immediately after a Gear Ratio or Pressure Switch error is detected.
Set Condition: Three consecutive solenoid continuity test failures, or one failure if test is
run in response to a Gear Ratio or Pressure Switch error.
POSSIBLE CAUSES
RELATED RELAY DTC'S PRESENT
INTERMITTENT WIRING AND CONNECTORS
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
OD SOLENOID CONTROL CIRCUIT OPEN
OD SOLENOID CONTROL CIRCUIT SHORT TO GROUND
OD SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
OD SOLENOID
TCM - OD SOLENOID
TEST ACTION APPLICABILITY
1NOTE: 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 DRBIIIt, read the engine DTC's. Check and repair all engine DTC's prior
to performing Transmission Symptom Diagnostics.
With the DRBIIIt, 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 P0705 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
69
TRANSMISSION

TEST ACTION APPLICABILITY
7 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the OD Solenoid Control circuit from the TCM harness
connector to the Transmission Solenoid/Pressure Switch Assembly harness connec-
tor.
Is the resistance above 5.0 ohms?All
Ye s®Repair the OD Solenoid Control circuit for an open.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 8
8 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the OD Solenoid Control circuit.
Is the resistance below 5.0 ohms?All
Ye s®Repair the OD Solenoid Control circuit for a short to ground.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 9
9 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Remove the Transmission Control Relay from the IPM.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the Fused B+ circuit and the Transmission Control
Relay Output circuit in the Transmission Control Relay connector in the IPM.
Ignition on, engine not running.
Measure the voltage of the OD Solenoid Control circuit in the TCM harness
connector.
Is the voltage above 0.5 volt?All
Ye s®Repair the OD Solenoid Control circuit for a short to voltage.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 10
10 If there are no possible causes remaining, view repair. All
Repair
Replace the TCM. WITH THE DRBIIItPERFORM QUICK
LEARN AND REPROGRAM PINION FACTOR.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
11 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 shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Test Complete.
71
TRANSMISSION
P0760-OD SOLENOID CIRCUIT ÐContinued