Table 1. Transmission Troubleshooting Procedures - Continued.

TM 9-2320-303-24-1

Table 1. Transmission Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

TRANSMISSION SHIFTING - CONTINUED

4. Transmission Will Not Make a Specific Shift - 5. Faulty ECU.

Replace ECU (WP 0110 00).

Continued.

Transmission Does Not Shift Properly (Rough 1. Engine idle speed too fast Adjust engine idle speed (WP

Shifts, Shifts Occurring at Too Low or Too

(neutral to range shift).

0006 00).

High Speed).

2. ECU input voltage low.

Check power, ground, charging

system, and battery function (WP

0010 00).

3. Incorrect transmission fluid Correct fluid level (TM 9-2320-

level

303-10).

4. Intermittent problems.

Check wiring harnesses

and

connectors (WP 0072 00).

ABNORMAL ACTIVITIES OR RESPONSES FROM TRANSMISSION

Excessive Creep in First and Reverse Gears. Engine idle speed too high.

Adjust to correct idle speed

between 500-800 RPM (WP 0006

00).

No Response to Shift Selector.

1. Shift selector not properly Check shift selector response with

connected.

diagnostic tool. If no response,

check remote connection and

replace if necessary (WP 0107

00).

2. Faulty shift selector.

Replace shift selector (WP 0107

00).

3. Incorrect transmission fluid Correct fluid level (TM 9-2320-

level.

303-10).

Vehicle Moves Forward in Neutral.

C1 clutch failed or not released.

Repair transmission (WP 0248

00).

Vehicle Moves Backward in Neutral.

C3 clutch failed or not released.

Repair transmission (WP 0248

00).

Engine Overspeed on Full-throttle Upshifts.

1. TPS adjustment:

- Overstroke

Adjust TPS (WP 0006 00).

2. ECU input voltage low.

Check electrical system and all

connections from battery and

ECU (WP 0010 00).

3. Incorrect transmission fluid Correct fluid level (TM 9-2320-

level.

303-10).

4. Piston seals leaking or clutch Repair transmission (WP 0248

plates slipping in range 00).

involved.

0021 00-3