20 Most Recent 2003 Buick Rendezvous Questions & Answers


The fuse for the blower motor is in the floor concole fuse panel (see picture below). Also below is a diagram of the fuse layout. The fuse for the blower motor will be the fuse in the number 25 position. I hope this helps and good luck.


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2003 Buick... | Answered on Nov 24, 2019


Disconnect coil connector - remove screws to cylinder head - pull up to disconnect from spark plug - reverse procedure to install new coils. Existing coils cn be tested by swapping coil with known good coil. https://www.6ya.com/callphilipforhelp

2003 Buick... | Answered on Jun 11, 2019


Where is the fuel reset button

2003 Buick... | Answered on Mar 30, 2019


It has lost the signal for the computer. It happens. It has to be reprogrammed. Some garages can do it. Most likely a dealer.

2003 Buick... | Answered on Nov 16, 2018


YOU HAVE ENGINE VACUUM LEAK.AROUND THROTTLE BODY AREA COULD BE THROTTLE BODY GASKET OR ITS LOOSE.THE IDLE AIR INLET PASSAGE OR THROTTLE BORE IS DIRTY FULL OF CARBON BUILT UP.YOUR IDLE SPEED CONTROL COULD BE FAULTY.

2003 Buick... | Answered on Apr 25, 2018


Tire balance, tire out of round or seperating, constant velocity axle worn or worn ft end parts and alignment.

2003 Buick... | Answered on Apr 05, 2018


Misfire ,vacuum leak , dirty throttle body , IAC - idle air control valve problem . Videos on youtube !

2003 Buick... | Answered on Mar 18, 2018


DTC P1361
If the PCM does not monitor IC pulses while IC mode spark advance is commanded DTC P1361 sets.
Observe the Freeze Frame/Failure Records for this DTC.
Turn OFF the ignition for 30 seconds.
Start the engine.
Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
Did the DTC fail this ignition?
Is DTC P1362 also set?
--
YES - Go to Step 6
Turn OFF the ignition.
Disconnect the ICM.
Probe the IC timing control circuit at the PCM with a test lamp connected to battery voltage.
Does the test lamp illuminate?

The ignition control module (ICM) has independent power and ground circuits. The circuits between the ICM and the powertrain control module (PCM) consist of the following circuits:

• The ignition control (IC) timing signal circuit
• The IC timing control circuit
• The low-resolution engine speed signal circuit
• A low reference signal circuit
The ICM sends 3X signals to the PCM. The ICM controls the timing advance during engine cranking. The timing advance changes to PCM control after the following actions:
• The PCM receives the second 3X signal.
• The PCM applies 5 volts to the IC timing signal circuit.
• The timing advance switches to PCM control.
• If the PCM detects a short to voltage in the IC timing signal circuit DTC P1362 sets.

The transmission pressure is modified by an adaptive modifier which controls the shift execution time. This diagnostic tests the time required to accomplish the shift. If the shift takes longer than 0.65 seconds and the adaptive modifier cannot shorten this time, then a counter increases by one.
If the PCM detects a counter value of 2 during one trip, then DTC P1811 sets. DTC P1811 is a type C DTC.
Diagnostic Aids
• Ask the customer about possible overloading, exceeding the trailer towing limit, or towing in overdrive.
• Ensure that the current PCM calibration is correct for the final drive ratio.

DTC C0035-C0051
As the wheel spins, the wheel speed sensor produces an AC signal. The electronic brake control module (EBCM) uses the frequency of the AC signal to calculate the wheel speed.

2003 Buick... | Answered on Feb 18, 2018


Inside the driver door latch, there is a switch for the key that tells the system, the key switch is on or off position but usually, the wires are cut or if you prefer open circuit.
BUT you didn't mention if you try to unlock the door with your key or with the keyless entry??
Can you unlock the driver's door with the inside switch if not look for door lock problems?

Hope it helps

2003 Buick... | Answered on Feb 06, 2018


Shift solenoids are in fact located inside transmissions. SHIFTER solenoids are located under the dash and are connected to the brake switch to enable you to change gearshift positions when the brake pedal is depressed.

2003 Buick... | Answered on Feb 01, 2018


If your vehicle has single exhaust, there are two oxygen sensors.

If your vehicle has dual exhaust, there are four oxygen sensors.

2003 Buick... | Answered on Jan 21, 2018


You may have to flush the system again. Did you use a commercial flush such as Prestone Super Flush? Plain water won't remove the rust and sludge. The Dex-cool antifreeze that GM recommends for their cars is bad about forming a gummy sludge in the cooling system. It clogs radiators and heater cores. I would suggest another flush with the Prestone product. Follow the directions closely for best results. One thing that will help is. after you drain the radiator, refill with clear water and let the engine run until the coolant is circulating good, then drain it again. Do this three or four times. This will ensure that all the antifreeze has been removed from the engine block. When you refill the radiator, use a green antifreeze that is compatible with aluminum radiators and aluminum engine parts. Do not use Dex-cool. Dex-cool can also cause the intake gaskets to fail. Make sure the new thermostat is at least a 195degree unit and that it is installed correctly. you would be surprised how many thermostats get installed upside down. After refilling the radiator, leave the radiator cap off and let the engine run until the coolant is flowing. Keep adding antifreeze each time the coolant is pulled down into the radiator. Use full strength antifreeze because the water that is retained in the block will dilute it. A 50/50 mixture won't protect below freezing.

2003 Buick... | Answered on Jan 14, 2018


Fix your car right away by clicking the link I attached 2003 BUICK RENDEZVOUS REPAIR MANUAL

2003 Buick... | Answered on Dec 02, 2017


GM doesn't use an inertia switch, that I'm aware of. I don't know what testing you have done? Engine cranking, do you have spark at the plugs and fuel injector pulse? Any applicable trouble codes? If through your testing you have narrowed it down to fuel system, note the diagram.

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2003 Buick... | Answered on Nov 23, 2017

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