Dodge Dakota Sport 2001 Service Manual page 1505

21 - 96 AUTOMATIC TRANSMISSION - 42RE
AUTOMATIC TRANSMISSION - 42RE (Continued)
CONDITION
NO LOW GEAR (MOVES
IN 2ND OR 3RD GEAR
ONLY)
NO KICKDOWN OR
NORMAL DOWNSHIFT
STUCK IN LOW GEAR
(WILL NOT UPSHIFT)
CREEPS IN NEUTRAL
POSSIBLE CAUSES
1. Governor Circuit Electrical Fault.
2. Valve Body Malfunction.
3. Front Servo Piston Cocked in
Bore.
4. Front Band Linkage Malfunction
1. Throttle Linkage Mis-adjusted.
2. Accelerator Pedal Travel
Restricted.
3. Valve Body Hydraulic Pressures
Too High or Too Low Due to Valve
Body Malfunction or Incorrect
Hydraulic Control Pressure
Adjustments.
4. Governor Circuit Electrical Fault.
5. Valve Body Malfunction.
6. TPS Malfunction.
7. PCM Malfunction.
8. Valve Body Malfunction.
1. Throttle Linkage Mis-adjusted/
Stuck.
2. Gearshift Linkage Mis-adjusted.
3. Governor Component Electrical
Fault.
4. Front Band Out of Adjustment.
5. Clutch or Servo Malfunction.
1. Gearshift Linkage Mis-adjusted.
2. Rear Clutch Dragging/Warped.
3. Valve Body Malfunction.
CORRECTION
1. Test with DRB® scan tool and repair as
required.
2. Remove, clean and inspect. Look for
sticking 1-2 shift valve, 2-3 shift valve,
governor plug or broken springs.
3. Inspect servo and repair as required.
4. Inspect linkage and look for bind in
linkage.
1. Adjust linkage.
2. Verify floor mat is not under pedal, repair
worn accelerator cable or bent brackets.
3. Perform hydraulic pressure tests to
determine cause and repair as required.
Correct valve body pressure adjustments as
required.
4. Test with DRB® scan tool and repair as
required.
5. Perform hydraulic pressure tests to
determine cause and repair as required.
Correct valve body pressure adjustments as
required.
6. Replace sensor, check with DRB® scan
tool.
7. Check with DRB® scan tool and replace
if required.
8. Repair sticking 1-2, 2-3 shift valves,
governor plugs, 3-4 solenoid, 3-4 shift
valve, 3-4 timing valve.
1. Adjust linkage and repair linkage if worn
or damaged. Check for binding cable or
missing return spring.
2. Adjust linkage and repair linkage if worn
or damaged.
3. Check operating pressures and test with
DRB® scan tool, repair faulty component.
4. Adjust Band.
5. Air pressure check operation of clutches
and bands. Repair faulty component.
1. Adjust linkage.
2. Disassemble and repair.
3. Perform hydraulic pressure test to
determine cause and repair as required.
AN