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Errors / Flashing air conditioning panel (Climatronic)

Q: How to fix Errors / Flashing air conditioning panel (Climatronic) in Ford Expedition?

In many models, the air conditioning system (EATC) is controlled centrally from the multimedia touch screen (SYNC 3). Due to a system error, the screen freezes, turns black, displays a blue screen or displays constant Wi-Fi errors, which cuts off the driver from any control over the temperature and airflow in the car. Solution (per TSB 20-2363): Reinstallation and calibration of the APIM module (display module) using a USB drive with a software patch from the manufacturer.

in Ford Expedition (2019-2020)

Symptoms

A/C does not react to control panel settings

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Technical diagnosis (Premium)

Recognized technical fault:

Auxiliary controller voltage instability detected

Technical analysis

Detailed analysis of HVAC controller operation parameters, CAN bus data readings, and diagnostic signal waveforms. Purchase PRO access or log in to read the full fault analysis.

Confirmed solution

Complete step-by-step repair procedure including module non-volatile memory reset, sensor calibration, and correct wiring routing. Unlock the full report to see the instruction.

Parts needed

Filters ferrite anti-interference / noise suppressor
Auxiliary starting battery (depending on cell status)

Workshop hacks

Important workshop tips for mechanics regarding bypasses without expensive control module replacement and manufacturer software service bulletins.

TSB / TPI service bulletins

TSB-24-HVAC-01TPI-2068943/2

A/C Technical Specifications

Refrigerant specifications for this model are available in the catalog.

Open refrigerant database

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Errors / Flashing air conditioning panel (Climatronic)

Symptoms

A/C Technical Specifications

Other problems in Expedition

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