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Before troubleshooting.
– check that the speedometer works properly.
– check the No. 9 (10A) and No. 6 (15A) fuses in the Driver’s Under-Dash Fuse/Relay Box, and No. 47 (20A) fuse in the Under-Hood Fuse/Relay Box.
– check that the horn sounds.

Check main switch
Check brake pedal position switch and mounting
Check transmission range switch
Check cruise control unit inputs
Check cruise control actuator

Also check for:
Poor ground: G101, G501
Open circuit, loose or disconnected terminals: BLK/YEL, LT GRN, LT GRN/RED, GRY, LT BLU, BLU/WHT, BLK (any of these match the connector that you had disconnected for the ATF drain and fill?)
Cable reel

Fuse #6 (15A) in the Driver’s Under-Dash Fuse/Relay Box also protects: EVAP canister vent shut valve, EVAP bypass solenoid valve, EVAP purge control solenoid valve which could have been related to repair of the P1457 code by the dealer. Has this just happened after this repair was performed?
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