Auto Repair 1990 Honda ACCORD “S” Indicator On, No Downshift
SYMPTOMS The The "S" is on and transmissions got stuck in third or a fourth gear. The of LED on Control Unit A / T permanently lit and will not flashing the error code. Interlock control unit (under the dash above the fuse box) or click crowded. POSSIBLE CAUSE The Automatic Transmission Control Unit broken. VEHICLES AFFECTED 2 doors up to VIN 1HGCB7. . . 4 door VIN LA039050 to 1HGCB7. . . 4 door VIN LA121350 to JHMCB7. . . Go to LC104599 DIAGNOSIS OF CORRECTIVE ACTION if you find one of the following indications: 1. Press the brake pedal. Interlock control unit stops buzzing or clicking. 2. Reset Control Unit A / T by removing fuse No. 24 in the underhood fuse box, then test drive a car. The "S" light stays off and the transmission shifted normally. 3. Removing the fuse No. 24 does not remove the Control Unit A / T. CORRECTIVE ACTION Replace Control Unit A / T with a new unit listed under PARTS INFORMATION.
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