Dodge RAM 1500 1998 Owner's Manual page 1853

21 - 150 AUTOMATIC TRANSMISSION - 48RE
AUTOMATIC TRANSMISSION - 48RE (Continued)
CONDITION
NO KICKDOWN OR
NORMAL DOWNSHIFT
STUCK IN LOW GEAR
(WILL NOT UPSHIFT)
CREEPS IN NEUTRAL
POSSIBLE CAUSES
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. 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.
DR