Heater controls stop working and rear defrost inop and the park assit not working and we tried to program a keyless entry remote that didnt work eathier tried that and everything stop working

The keyless entry system consists of the following components:

• driver door module (DDM)
• keyless entry transmitter
• keyless entry keypad

The driver door module (DDM) receives inputs from the digital transmission range (TR) sensor, ignition switch, brake switch, window/door lock switches, lighting control module (LCM), keyless entry keypad switch and remote transmitter. The DDM outputs consists of keyless entry keypad switch illumination, power door lock actuators, luggage compartment release solenoid, horn relay, and lighting control module (LCM).

• Battery junction box (BJB) fuses:
  • circuit breaker 7 (20A)
• Central junction box (CJB)
  • 4 (10A)
  • 6 (15A)
  • 8 (25A)
  • 13 (5A)
• Keyless entry keypad switch
• Power door lock actuator
• Luggage compartment release switch
• Luggage compartment release solenoid
• Connectors or connections
• Wiring harness
• If fuse's good have checked for DTC'S - diagnostic trouble codes .
• B1526 Keyless Entry Circuit Short to Ground DDM Go To Pinpoint Test E . B1553 Decklid Release Circuit Short to Battery DDM Go To Pinpoint Test B . B1751 Park/Neutral Switch Circuit Short to Battery DDM Go To Pinpoint Test K . B2425 Remote Keyless Entry Out of Synchronization DDM Go To Pinpoint Test L Need a professional grade scan tool to check fro these codes . Not a code reader for OBD2 codes .

• The doors do not lock/unlock using the remote transmitter

• Remote transmitter not programmed.
• Remote transmitter.
• DDM.

• Go To Pinpoint Test F .

Did you program the new key fob ?

Remote Transmitter Programming NOTE: All remote transmitters are programmable and must be set at the same time.

1. Turn the key from OFF to RUN four times within three seconds, ending in RUN. The locks will then lock and unlock, confirming program mode has been entered.

1. Press any button on each remote transmitter to be programmed. The doors will lock and unlock to confirm that each remote transmitter has been programmed.

1. If additonal remote transmitters are to be programmed, repeat Step 3 within 7.5 seconds or steps 2 and 3 if more than 7.5 seconds have elapsed.

1. To exit program mode, turn the ignition to START or wait 7.5 seconds.

1. NOTE: Failure to wait at least 20 seconds will cause programming failures. Wait at least 20 seconds after turning the key to OFF or after the last remote transmitter has been programmed to activate a remote transmitter for testing or verification

Your best bet would be to have the vehicle scanned for DTC'S - diagnostic trouble codes first . Do you know which of these your vehicle has ?
Keyless Entry System Inoperative (Active)
Keyless Entry System Inoperative (Passive)
Does the customer complain about other symptoms related to this, such as poor range when the key fob buttons are pressed or intermittent Tire Pressure Monitoring issues? (It's possible the RF External Antenna at the RCDLR may have a poor connection.)
YES - Go to Step 3
No - Go to Step 4
3
Inspect the external RF antenna connection at the RCDLR. First, gently pull on the coax connector at the module. If the coax comes out, then it wasn't seated properly. Remove and carefully inspect the coax connection for bent blades or a bent center pin. Fix coax connection if necessary and re-seat connector until a "click" is heard. Gently pull on the coax connection to make sure it is seated properly. Was the inspection made?

Press each button of the transmitter one at a time.
Does the system operate normally?
YES - Go to Testing for Intermittent Conditions and Poor Connections
NO - Go to Step 5
5
Lock and unlock the door locks using the controls inside the vehicle.
Do the locks operate properly?
YES - Go to Step 6
NO - Go to Symptoms - Doors

6
Operate the rear compartment release and the fuel door release from the controls inside the vehicle.
Do the rear compartment release and the fuel door release operate properly?
YES - Go to Step 7
NO - Go to Symptoms - Body Rear End

Important: Ensure that the keyless entry transmitter is the correct model for the vehicle remote system. A wrong model transmitter may pass this test, but will not activate the keyless entry system.
Turn on the J 43241 Keyless Entry Tester.
Place the transmitter on the J 43241 test pad.
Press each button of the transmitter one at a time.
Does a tone sound and the green light illuminate on the J 43241 after each button is pressed?
YES - Go to Step 12
NO - Go to Step 8
8
Do any of the buttons on the transmitter sound the tone and illuminate the green light when pressed?

11
Replace the keyless entry transmitter. Refer to Transmitter Programming.
Did you complete the replacement?
Go to Step 12
--
12
Perform the programming procedure. Refer to Transmitter Programming.
Did the drivers information center (DIC) beep and display a message ready for next fob?
Go to Step 14
Go to Step 13
13
Replace the remote control door lock receiver (RCDLR). Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 14
--
14
Operate the system in order to verify the repair.
Did you correct the condition?

Is this an issue with all 2008 HHR remotes??? Highly doubtful , probably the vehicles keyless entry system . Taking the vehicle to a qualified repair shop an having the keyless entry system checked for DTC'S - diagnostic trouble code's . Do you know what a DTC is ?
The keyless entry system is a vehicle entry device. The keyless entry system is used in conjunction with the body control module (BCM) to remotely activate certain vehicle features. Keyless entry will lock/unlock the doors, or release the rear compartment lid when a corresponding button on the keyless entry transmitter is pressed. This is accomplished by the transmitter sending a radio frequency to the remote control door lock receiver (RCDLR). The RCDLR interprets the signal and activates the requested function via a serial data message to the BCM. A low transmitter or vehicle battery or radio frequency (RF) interference from aftermarket devices, such as 2-way radios, power inverters, computers, etc., may cause a system malfunction. High RF traffic areas may also cause interference that could lead to a malfunction. Keyless entry allows you to operate the following components:
• Door locks
• Liftgate lock
• Remote rear doors (Panel only)
• Vehicle locator/panic alarm
• Illuminated entry lamps
• Remote vehicle start
The keyless entry system has the following components:
• Keyless entry transmitters
• Keyless entry antenna
• 2 Way Advanced Remote Start RCDLR
• BCM

Guessing will not fix this .

You did it like this ?
Programming -Keyless Entry Remote Transmitter NOTE: All keyless entry remote transmitters (15K601) must be programmed at the same time.
NOTE: All previous transmitter identification codes (TIC's) will be erased when programming mode is entered.
NOTE: To program (or reprogram) the keyless entry remote transmitters into the generic electronic module (GEM)(14B204), perform the following steps.

1. Turn the ignition from OFF to RUN eight times within 10 seconds, ending in RUN. If the GEM has successfully entered program mode, it will lock and unlock all the doors.

1. NOTE: The first TIC must be entered within 7.5 seconds of entering the program mode and additional TICs must be entered within 7.5 seconds of the first TIC. The programming mode is exited whenever the timing constraints are not met. Press any button on a keyless entry remote transmitter, and the doors will lock and then unlock to confirm that each keyless entry remote transmitter has been programmed.

1. If the door locks do not respond for any keyless entry remote transmitter, wait for several seconds and press the button again.

1. Turn the ignition switch to the OFF position, or wait up to five minutes after step 1, to exit program mode. If a keyless entry remote transmitter has been programmed (or reprogrammed), the GEM will lock and unlock all the doors one last time.

Try reprogramming the remotes. Here are the instructions for the procedure. Hope it helps. Cobra!
Programming NOTE: All keyless entry remote transmitters (15K601) must be programmed at the same time.
NOTE: To program (or reprogram) the keyless entry remote transmitters into the RAP module, perform the following steps:

1. Make sure that the anti-theft system is not armed or triggered.

1. Turn the ignition switch (11572) from OFF to RUN eight times within ten seconds, ending in RUN. If the RAP module has successfully entered program mode, it will lock and then unlock all doors.

1. Within 20 seconds, press any button on a keyless entry remote transmitter, and the doors will lock and then unlock to confirm that each keyless entry remote transmitter has been programmed. Repeat this step for each transmitter.

1. If the door locks do not respond for any keyless entry remote transmitter, wait several seconds and press the button again. If the door locks still fail to respond, refer to Inspection and Verification.

1. Turn the ignition switch to the OFF position, or wait up to 20 seconds after step 2, to exit program mode. If a keyless entry remote transmitter has been programmed (or reprogrammed), the RAP module will lock and unlock all doors one last time to confirm.

Programming Electronic Door Lock Control System NOTE: The electronic door lock control processor (14B001) erases all previous keyless entry remote transmitter (15K601) from memory when the keyless entry remote transmitters are programmed or reprogrammed. The electronic door lock control processor can store up to four keyless entry remote transmitters in memory.

• To program (or reprogram) keyless entry remote transmitter into the electronic door lock control processor, perform the following steps:

1. Turn ignition switch to the RUN position and momentarily short the two terminals of the program connector taped to the wire assembly and located behind the glove compartment. All doors should lock and then unlock. Remove shorting pin.
   

1. Press any button on keyless entry remote transmitter. All doors should lock and then unlock to verify the keyless entry remote transmitter has been programmed. If door locks do not respond, press button again (up to three times maximum with the same keyless entry remote transmitter).
   

1. Repeat the above step to program additional keyless entry remote transmitters into the electronic door lock control processor (up to four keyless entry remote transmitters maximum).
   

1. Turn ignition switch OFF. All doors should lock and then unlock.
   

1. Check operation.
   

NO. the rear hatch glass connector you see is for the rear window defroster. try replacing the remote battery.

You should have it scaned to see if you have any codes. It has a RCDLR (remote control door lock reciever) this is the module that recieves the signal from the fobs. If it has a problem then the system will not work. If it has to be replaced then a dealer will have to program it for you. Good Luck

Try Ebay and search for 95 Caddi Deville Remote. It cost about 19.95 for new remote and it even comes with instructions on how to program it. I had a similar problem. Mine works great now......

This is what i found but you need one fob.

here is another way if you can get it done( i bevlieve) There is a box under the dash of your can it says keyless entry if you have the right box and the fab just plug and play.

Make sure you get the screws in the defrost vent there is some screws and then it there is snaps


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