Hyundai Palisade (LX2): Automatic Transaxle Control System / Repair procedures

Hyundai Palisade (LX2) 2020-2026 Service Manual / Automatic Transaxle System (A8LF1) / Automatic Transaxle Control System / Repair procedures

Adjustment
TCM Learning
1.
Overview and purpose of learning
1)
The purpose is to ensure the initial operation safety by correcting the oil pressure differences between transmissions.
2)
For relearning of TCM, process relearning by deleting existing contents using diagnostic tool when there is shift shock at gears 1-2-3-4-5-6-7-8.
2.
In the following case, TCM learning is required.
1)
Automatic transaxle assembly replacement
2)
TCM replacement
3)
TCM upgrade
3.
TCM learning procedure
1)
Condition : ATF temperature 35 - 95°C (95 - 203°F)
2)
Stop learning
- Repeat the shift pattern shown below five times or more with the brake stepped on.

Hyundai Palisade. Repair procedures
3)
Driving relearn
- Maintain the throttle open to a constant level with the gear in D position and increment from 1st to 5th gear within 1500 ~ 2500 RPM of engine and decelerate slowly.
With (ON, throttle opening: 0%), decrement from 8th to 1st gear.
- Upshift throttle opening : 15 - 35% (a proper value for making upshift within 1500 - 2500RPM of engine)

Hyundai Palisade. Repair procedures

    Description • Automatic transaxle system relies on various measurement data to determine the current control status and extrapolate the necessary compensation values.

    Components and components location Components Location 1. Transaxle control module(TCM) Description and operation Description • Monitoring the vehicle's operating conditions to determine the optimal gear setting.

    Other information:

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Special service tools

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Compressor oil

    Repair procedures Oil Specification 1. The R-134a or R-1234yf system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2.

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