Clicking noise inside from climate control area 2004 Expedition Just installed a new battery and there is an annoying clicking coming from the climate control area inside the vehicle. It also flashes 3 digit numbers and no climate information is available. This has only begun since we installed the new battery.

Heating and the cooling both don't work ? Just one seat or all seats ?
Your best bet have it checked for DTC'S - diagnostic trouble codes to start .
Climate Controlled Seat Module (CCSM) Diagnostic Trouble Code (DTC) Index DTC Description Source Action B1342 ECU Is Faulted CCSM INSTALL a new CCSM and CARRY OUT programmable module installation (PMI). REFER to Climate Controlled Seat Module . B1358 Ignition Switch or Blower Electronics Circuit Short to Ground CCSM Go To Pinpoint Test Q . B2477 Module Configuration Error CCSM This DTC indicates programmable module installation (PMI) has not been done to a newly installed module. CARRY OUT PMI. REFER to Section 418-01 . CLEAR the DTC. CARRY OUT the self-test. B2486 Climate Controlled Seat Module Voltage Out of Range CCSM DEPOWER the supplemental restraint system (SRS). REFER to Section 501-20B . DISCONNECT driver safety belt buckle pretensioner electrical connector or passenger safety belt buckle pretensioner electrical connector of the affected seat and CONNECT restraint system diagnostic tool 418-F395 to the safety belt buckle pretensioner harness connector. CONNECT the battery ground cable. CHECK circuit 294 (WH/LB) for a fault. REPAIR as needed. If okay, REFER to Section 414-01 . Once the repair is complete, DISCONNECT the restraint system diagnostic tool from the safety belt buckle pretensioner harness connector and CONNECT the safety belt buckle pretensioner connector of the affected seat. REPOWER the SRS. REFER to Section 501-20B . B2488 Thumbwheel Switch Voltage Out of Range High CCSM Go To Pinpoint Test R . B2521 Tach Circuit Failure CCSM Go To Pinpoint Test Q . B2729 Cushion Over-Temp Detected CCSM Go To Pinpoint Test S . B2730 Back Over-Temp Detected CCSM Go To Pinpoint Test S . B2731 Differential Temperature Fault CCSM Go To Pinpoint Test S . B2792 Heat Switch Short to Ground CCSM NOTE: If HEAT is pressed for greater than 20 seconds on the climate controlled seat switch, DTC B2792 will set in the CCSM.
CLEAR the DTC. If the DTC does not clear, DEPOWER the supplemental restraint system (SRS). REFER to Section 501-20B . DISCONNECT driver safety belt buckle pretensioner electrical connector or passenger safety belt buckle pretensioner electrical connector of the affected seat and CONNECT restraint system diagnostic tool 418-F395 to the safety belt buckle pretensioner harness connector. CONNECT the battery ground cable. CHECK circuit 1551 (VT/WH) for a short to ground. REPAIR as needed. If okay, INSTALL a new climate controlled seat switch. Once the repair is complete, DISCONNECT the restraint system diagnostic tool from the safety belt buckle pretensioner harness connector and CONNECT the safety belt buckle pretensioner connector of the affected seat. REPOWER the SRS. REFER to Section 501-20B . B2793 Cool Switch Short to Ground CCSM NOTE: If COOL is pressed for greater than 20 seconds on the climate controlled seat switch, DTC B2793 will set in the CCSM.
CLEAR the DTC. If the DTC does not clear, DEPOWER the supplemental restraint system (SRS). REFER to Section 501-20B . DISCONNECT driver safety belt buckle pretensioner electrical connector or passenger safety belt buckle pretensioner electrical connector of the affected seat and CONNECT restraint system diagnostic tool 418-F395 to the safety belt buckle pretensioner harness connector. CONNECT the battery ground cable. CHECK circuit 1550 (WH/OG) for a short to ground. REPAIR as needed. If okay, INSTALL a new climate controlled seat switch. Once the repair is complete, DISCONNECT the restraint system diagnostic tool from the safety belt buckle pretensioner harness connector and CONNECT the safety belt buckle pretensioner connector of the affected seat. REPOWER the SRS. REFER to Section 501-20B . U2362 UBP Invalid Data Node ID CCSM NOTE: DTC U2362 indicates a network concern, the CCSM is not the source of the fault.
CLEAR the DTC. If the DTC does not clear, REFER Section 418-01 .

It is a vent trying to close or open! There is a gear which opens and closes vents, I would say yours is shot! Most all vehics made in the last 10 years are bad about it! Not exactly sure what the part is called but it's a switch that goes to venting! Regards!

Clicking Noise From Left Front Tire Area - F150online Forums

www.f150online.com/.../47713-clicking-noise-left-front-tire-area.html

Aug 11, 2001 - I have a clicking type noise comming from the left front tire. It does not ... I can really hear it when I'm driving beside a sound wall or the side of a building. ... the sound. (Yeah right!) ... Almost forgot: 1999 Ford F150 XLT Supercab 5.4 4X4. ... My 2000 4X4 had a ting ting noise coming from the left front wheel. Intermitent Grinding Noise on 2004 F150 4x4 - Page 5
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I had the same problem with 2004 Expedition. Changed the actuator for the blend door. This is the one that determines the air temp (cold ---- hot). Purchased Actuator from Advance Auto Parts and installed. I was able to install this pulling out on panel, but it's tight and you will have limited movement and sight. It started clicking again in about a year. After reading other solutions, I realize my Blend Door may be hanging at times. It currently only clicks on coldest setting. If it's moved off of cold a little the clicking will stop. I have also noticed if the setting is not moved in just the spot and you use other electrical current such as windows or brakes it will click because of voltage change and will need adjusting more. I have to adjust this setting in the front if set on front controls as well as the rear if set for rear control. It works fine on Warm or Hot setting. I plan to check door binding when I have time. Good Luck

i have an 04 and it was doing the same thing i have dual climate control so the noise was the rear climate control blend door actuator.
replaced it clicking is gone.

suggest taking in for service could have something to due with the central locking system for the suv. hard to diagnoise a sound with out being able to experience it . could be a door latch, a control module, a relay never no untill you start looking at wiring diagrams. just a couple ideas good luck

your Escalade has dual climate control, it sounds like one of the blend door actuators is stuck.sometimes when they stick you may even hear a clicking noise. the actuator has small plastic gears that strip out.

i had the same problem with mine only the noise was coming from the rear driver side where the rear ac motor is. the culprit was the motor that opens the baffle regulating the hot and cold air. the teeth on the the motor are plastic and a couple wore off and while trying to open the baffle would make the clicking sound. its a little hairy getting that motor out do to close quarters but a friend helped me and its fixed now. the motor cost me about 75 bucks. good luck hope this helps

does it get warm at all? i would say its a vacuum line or something in the climate control unit..if the climate control look on ebay.

check the following. #1, it could be the flap soliniods. This is located behind the dash on the heater box. This operates the flpas to regulate hot and cold air. The clicking sound could meen that it's trying to operate but can not due to a dying motor. You need to check which one is faulty. from memory there is about 4 or 5. #2. Behind the a/c fan speed control there is small plug. Sometimes this can be left unplugged if someone has worked on the car. e.g installing a new Radio/cd player etc.
good luck.