97-04 HVAC Service
97-04 CJ2 Electronic HVAC Controller Module
This is a well-known issue with the 1997 - 2004 Electronic Climate Control (CJ2 RPO Code). Age, heat and vibration can cause solder joints to fail, wires to break and connectors to lose spring tension. We can restore functionality of your ECC Controller in as little as one business day!
97-04 Controller Module with non-working Display
Dark Button Text / No Panel Illumination
This is another well-known issue with the 1997 - 2004 Electronic Climate Control (CJ2 RPO Code). Age, heat and vibration can cause the 14 bulbs which illuminate the climate control panel to burn out. We can restore functionality of your ECC Controller in as little as one business day!
Buttons that Don't Work
The third common issue with the 1997 - 2004 Electronic Climate Control (CJ2 RPO Code) is non-working buttons. The fail for various reasons such as frequent use, user abuse and spilled liquids. We can restore functionality of your ECC controller in as little as one business day!
97-04 Controller Module Working Again
Typical 97-04 HVAC Symptoms
When the ignition is on, the blue display remains blank, or is much dimmer than it should be
The operating mode can't be selected, and the yellow function LEDs don't light up
The vents blow cold air in the winter, or blow warm air in the summer
The bulbs which illuminate the controller button text remain dark, even with the ignition on and headlights off
Sometimes, hitting the dash or hitting a bump causes the AC Controls to start working properly
AC compressor doesn't engage when AC is selected
Sometimes the digital display shows jibberish or the LEDs flash
Some or all switches stop working
All Services Include
Free inspection of the Electronic Climate Control internals
Free diagnosis, complete with photos of the problem(s)
Complete cleaning inside the controls
Bench test of all bulbs, vacuum solenoids, blend door motors, and all other climate control functions
1 year warranty on parts and labor
This is not an exchange service. Your components will be returned to you, along with the parts we replace!
- Controller repairs typically run $175.00 + return shipping. This includes parts, our labor, and a one year parts and labor warranty.
Note: These repairs are the most common needed for the 97 - 04 ECC, and do not include replacement of missing parts, and do not include replacement of the display or logic board. When your components arrive, we will diagnose them at no charge, then contact you with photos of the problem and an exact repair total, then wait for your approval before making any repairs.
Before Shipping To Us
- Check the fuses marked "16", "18", "24", "27" and "51".
- Consider using a scan tool to check for DTC stored codes. Send us those diagnostic codes.