TCM - MIL ON, DTC P0740 Stored

00-033

October 24, 2000

Applies To:
1998-99 Prelude - All with A/T

MIL Comes On With DTC P0740
(Supersedes 00-033, dated June 21, 2000)

SYMPTOM

The MIL comes on with DTC P0740 (lock-up clutch does not engage) stored in the TCM.

PROBABLE CAUSE

Overly sensitive TCM software and contamination in the transmission fluid.

CORRECTIVE ACTION

Replace the TCM, and flush the transmission.

PARTS INFORMATION

*Transmission Control Module (TCM):
P/N 28100-P5M-A11, H/C 6449649*

Honda ATF (10 quarts):
P/N 08206-9001, H/C 3268554

Drain Plug Washer:
P/N 90471-PX4-000, H/C 3300936

WARRANTY CLAIM INFORMATION





In warranty:
The normal warranty applies.

Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Service Manager or your Zone Office. You must request consideration, and get a decision, before starting work.

REPAIR PROCEDURE

1. Replace the TCM. Refer to page 14-56 of the 1997-99 Prelude Service Manual.

2. Clear DTC P0740 with the PGM Tester.

3. Raise the car.

4. Drain the transmission, and refill it with Honda ATF.

5. Start the engine, shift to D4, then bring the speed up to 50 mph. Make sure the transmission shifts through all four gears and the torque converter locks up.

6. Apply the brakes to stop the wheels.

7. Shift to reverse, then to neutral.

8. Repeat steps 5, 6, and 7 four more times.

9. Turn off the engine.

10. Repeat steps 4 through 9 two more times.

11. Drain the transmission, and refill it with Honda ATF Put a new washer on the drain plug.

12. Test-drive the car.

^ If the MIL does not come on, return the car to the customer.

^ If the MIL comes on with DTC P0740, replace the transmission.





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