Bill - a couple of other notes.
NUMBER: 24-002-04 REV. A
GROUP: Heating & A/C
DATE: July 30, 2004
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 24-002-04, DATED MARCH 30, 2004, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES ADDITIONAL MODEL YEAR.
A/C and Heater Performance
This bulletin provides diagnostic information for A/C and heater performance complaints.
1998 - 2004 (LH) LHS/300M/Concorde/Intrepid
2001 - **2005** (JR) Sebring Convertible/Sebring Sedan/Stratus Sedan
NOTE :Perform Customer Satisfaction Notification no. 857, reprogram Powertrain Control Module (PCM), for 2000 model year LH-vehicles built prior to August 30, 1999 (MDH 0830XX).
Erratic operation of the A/C and heater systems including:
Lack of cold air
Lack of hot air
Unrequested mode change - Automatic Temperature Control (ATC) only)
No control of mode or temperature control
Tapping noise from blend door
The above Symptoms may be accompanied by the following Diagnostic Trouble Codes (DTCs):
Blend door feedback
Blend door stall
A/C control mode door input shorted to battery
Mode door stall
In car temp sensor failure ATC messages not received
Do not attempt to remove A/C control until after this entire Diagnosis and Repair Procedure has been performed.
Verify customer reported symptom(s) if possible.
Check for the presence of DTCs with the scan tool (DRBIII(R)) and record on the repair order. If a DRBIII(R) is not available reference the appropriate Service Manual - Heating and Air Conditioning "Self Diagnostics" procedure and record any present DTCs on the repair order. If Symptoms and/or DTCs other than those listed above are present, repair as necessary. If a Symptom(s) and/or DTC(s) listed above is present, perform the Repair Procedure.
1. With the vehicle at room temperature 10 - 27 C. (50 to 80 F.), Remove the M-1 circuit fuse for ten minutes to erase DTCs.
2. Install the M-1 fuse and start the vehicle, this will initiate the HVAC system calibration. Allow approximately five minutes for the calibration to complete.
3. Operate the vehicle and HVAC system to verify that Symptoms and/or DTCs are gone. If tapping noise or Blend Stall/Feedback DTCs re-occur, additional diagnosis will be required.
Reimbursable within the provisions of the warranty.
Disclaimer :This bulletin is supplied as technical information only and is not an authorization for repair.
I started going over the info, I just don't see this Blower Motor Relay. Can you send me what you have.
The blower motor power module is only used in vehicles equipped with Automatic Temperature Control (ATC). It is located on the lower right side of the HVAC unit housing.
The power module receives pulse width modulated signals from the Body Control Module. The power module varies voltage to the blower motor for different blower speeds based on the ATC software. There are 14 speeds and a blower off signal.
I see the code 51 in the charts but it doesn't give any info about fix. Still checking but wanted to get this to you.
Sunday, October 12th, 2008 AT 11:25 AM