On the 2021+ Chevrolet Tahoe, Autel MaxiCOM MK808S is verified for 5 jobs and Launch X-431 PRO for 4. Both are verified for epb service / reset, injector coding, steering angle calibration, throttle / idle relearn. Only Autel MaxiCOM MK808S is verified for abs bleed.
From maker coverage lists only. "Unknown" means not yet verified, not unsupported.
| Job | Autel MaxiCOM MK808S | Launch X-431 PRO |
|---|---|---|
| EPB service / reset | ✓ Supported “Parking brake calibration; Activate/Deactivate rear park brake service position” · Above GM_V19.00 | ✓ Supported “Park Brake Calibration (BSCM)” · CHEVROLET V50.45 |
| ABS bleed | ✓ Supported “Automated brake bleed” · Above GM_V19.00 | ? Unknown |
| Injector coding | ✓ Supported “Cylinder 1–6 fuel injector flow identifier” · Above GM_V19.00 | ✓ Supported “Cylinder 1 Fuel Injector Flow Identifier (ECM); Cylinder 2 Fuel Injector Flow Identifier (ECM); Cylinder 3 Fuel Injector Flow Identifier (ECM)” · CHEVROLET V50.45 |
| FCA Secure Gateway access | ? Unknown | ? Unknown |
| TPMS relearn | ? Unknown | ? Unknown |
| Steering angle calibration | ✓ Supported “Steering wheel angle sensor learn; Steering wheel angle sensor centering” · Above GM_V19.00 | ✓ Supported “Steering Wheel Angle Sensor Learn (BSCM); Steering Wheel Angle Sensor Centering (PSCM)” · CHEVROLET V50.45 |
| Battery registration (BMS) | ? Unknown | ? Unknown |
| Throttle / idle relearn | ✓ Supported “Throttle body idle air flow compensation reset” · Above GM_V19.00 | ✓ Supported “Throttle Body Idle Air Flow Compensation Reset (ECM)” · CHEVROLET V50.45 |
At cited prices, Autel MaxiCOM MK808S costs $885.07 less (Autel MaxiCOM MK808S: $479, Launch X-431 PRO: MSRP $1,364.07, checked 2026-10-16). Across every vehicle we track, Autel MaxiCOM MK808S has 183 verified results on 43 vehicles and Launch X-431 PRO has 172 on 40. Partial entries on this vehicle: Autel MaxiCOM MK808S 0, Launch X-431 PRO 0.
Autel MaxiCOM MK808S full coverage · Launch X-431 PRO full coverage · All tools for the 2021+ Chevrolet Tahoe
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