Question about 2003 Chevrolet Monte Carlo

2 Answers

My heater fan works when it feels like it, cruise is the same, also the overhead display blanks out totally sporadically.Does the body module control all of these?

Most of the time when the heater fan does not work, I shut off the engine and restart. That usually seems to get it going, not always. The cruise activated light will come on and go out spontaniously when the cruise is not working, sometimes it kicks off when in use.

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  • Corey Miller
    Corey Miller Apr 27, 2015

    GM fan plugs are prone to getting hot and getting a bad connection. Not sure about the cruise. The over head display may have a bad solder joint. When it blanks out try pushing up on the buttons or other areas to see if it will come on. You may have to put some force on it.

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2 Answers

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  • Chevrolet Master
  • 10,875 Answers

Or the ground is corroded and needs to be replaced

Posted on Apr 27, 2015

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  • Chevrolet Master
  • 2,210 Answers

Possible there is a main multi pin harness plug / socket not fully connected. Has it had any work that may have disturbed anything?

Posted on Apr 27, 2015

Testimonial: "No recent work done to disturb te connection."

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

turbohead
  • 21 Answers

SOURCE: Air Conditioning & Cruise Control

either the relay for one or both is freakin out or there is a short in the wirering for those two components

Posted on Jul 30, 2008

  • 5 Answers

SOURCE: Body Control Module - 2000 Chevy Blazer

Not sure about a body control module, there is a pcm under the hood on the pass. side that controls most everything on these, however i would check your fuses for the seat, on the 00 models the headlights do stay on all the time while driving due to daytime running lights but if they stay on after you take the key out then id check the headlight switch or sensor on the pass side dash.

Posted on Sep 02, 2008

co7196
  • 3433 Answers

SOURCE: 2002 Trailblazer check engine light--Cruise Control

ck for a cruise fuse

Posted on Jun 20, 2009

  • 66 Answers

SOURCE: Have a 2003 Monte Carlo SS. Usually happens when I

most of the newer cars especially the new chevys are all ran off the bcm or body control module, i would have someone with a snap-on brand tester check to bcm and the parts of your car first to make sure what is all wrong, could just be a shorted wire or a broken vacuum hose

Posted on Jun 26, 2009

  • 52 Answers

SOURCE: cruise control no longer works. Cruise light comes

Make sure the cable from the cruise control motor to throtle is not broken or unattached.

Posted on Jul 08, 2009

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1 Answer

How do I troubleshoot the cruise control of a 2003 Alero?


It's probably a problem with cruise control module , located under the hood in engine compartment . Or a bad connection somewhere . Do you know how to do electrical testing ? Is the air bag light lit on the instrument cluster ?

Could have DTC'S - diagnostic trouble code's stored .
DTC P1554
The powertrain control module (PCM) inhibits cruise control operation when certain conditions are not appropriate for cruise control operation. The PCM removes the ground from the cruise control inhibit signal circuit in order to disengage cruise control operation.
DTC P1585
Output driver modules (ODMs) are used by the powertrain control module (PCM) in order to turn on many of the current driven devices that are needed to control various engine and transaxle functions. DTC P1558 set indicates that an improper voltage level has been detected on the signal circuit which controls the cruise control inhibit circuit.
Action Taken When the DTC Sets
• The PCM will not illuminate the malfunction indicator lamp (MIL).
• The PCM will store the conditions present when the DTC set as Failure Records data only.

Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions. However, steep grades may cause variations in the selected speeds. The electronic cruise control system has the capability to CRUISE, COAST, RESUME SPEED, ACCELERATE, and TAP-UP or TAP-DOWN.
The main parts of the cruise control system are:
• The cruise control module assembly
• The function control switches
• The cruise control release switch
• The clutch pedal position switch (CPP), if equipped
• The stop lamp switch assembly
• The vehicle speed sensor
The cruise control system uses the cruise control module assembly to maintain the desired vehicle cruise speed and operation. The cruise control module assembly has an electronic controller and an electric stepper motor to vary the throttle in each different cruise control mode. The electric controller monitors vehicle speed and operates the electric stepper motor. The stepper motor operates in response to the electronic controller, to maintain the desired cruise speed. The electric stepper motor moves a strap that is attached to the cruise control cable which moves the throttle linkage. The cruise control module assembly contains a low speed limit which will prevent system engagement below a minimum speed of 40 km/h (25 mph). The module assembly is not serviceable.

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1 Answer

Vacuum leak


no i dont think the heater and cruise control have anything to do with a vacuum i could be wrong though

Mar 29, 2014 | Kia Rondo Cars & Trucks

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Cruise control not working


CHECK FOR FUSES BUT CRUISE CONTROL WORKS BY VACUUM AND NORMALLY THE LINE IS LOCATED BY THROTTLE BODY UNDER HOOD PIN HOLE LINE WILL STOP CRUISE CONTROL

May 09, 2012 | 2001 Lincoln LS V8

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How to disarm or reset an alarm system for a 1996 Jeep Cherokee?


Hope this helps:- Factory Disarm Purple/Yellow (-) Driver's Kick Panel Black Connector at ECM -slice into this wire, & wire it to ground, this disables the alarm.
Cavity/Fuse Diagram (1996 Grand Cherokee, passenger side kick plate to find, Owner's Manual pgs 205-206): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Row 1: 1-6 (left to right) Row 2: 7-12 Row 3: 13-18 Row 4: 19-22
1996 Jeep Grand Cherokee Fuse Panel (Passenger Side kick panel) Reply

CAVITY FUSE DESCRIPTION 1 -10 amp (RED) Radio 2 -15 amp (Lt Blue) Cigarette Lighter 3 -10 amp (RED) Rear Washer Switch, Body Controller 4 -10 amp (RED) Airbag 5 -10 amp (RED) Lamp Out Module, Overdrive Switch, OBD II 6 -15 amp (Lt Blue) Vehicle Information Center/Graphic Display Module Park & Side Lamps, Overhead Console Lighted Visor, Automatic Dimming Mirror 7 -20 amp (Yellow) Body Amp, Cluster, Body Controller 8 -20 amp (Yellow) Rear Wiper Motor, Flipper Glass Solenoid, Cargo Lamp, Trailer Tow 9 -15 amp (Lt Blue) Brake Switch 10- 10 amp (RED) Rear Window Defroster 11 -10 amp (RED) ABS Module 12 -10 amp (RED) Heater-Ventilation-A/C Control & Recirculation Motor 13 -15 amp (Lt Blue) Hazard Switch, Turn Signal Switch 14 -15 amp (Lt Blue) Spare 15 -15 amp (Lt Blue) Spare 16 -10 amp (RED) Right & Left Courtesy Lamp, Glove Box Lamp, Halo Lamp Cargo Lamp, Underhood Lamp, Dome/Read Lamp Right & Left Visor, Automatic Dimming Mirror 17 -15 amp (Lt Blue) Radio Illumination, Tail Lamp, Graphic Display Module, Park & Side Lamps, Headlamp Switch, Body Controller 18 -20 amp (Yellow) Spare 19 -15 amp (Lt Blue) Passing Light 20 -15 amp (Lt Blue) Radio, Heater-Ventilation-A/C, Vehicle Information Center 21 -15 amp (Lt Blue) Power Outlet 22 -10 amp (Blue) Airbag Module -------------------------------------------------------------------------------------
1996 Jeep Grand Cherokee Alarm, Remote Starter, Keyless Entry Wiring Information Constant 12V+ Pink/Black Ignition Switch Harness Starter Yellow Ignition Switch Harness Ignition Dark Blue/Gray Ignition Switch Harness Ignition 2 Red/Black Ignition Switch Harness (for AC) Accessory Black/Orange Ignition Switch Harness Tach Gray/White Coil Brake Switch White/Tan Brake Switch Trunk Pin n/a Works with Dome Light Parking Lights Blue/Red (+) Left of Steering Column or Light Switch Head Lamp Tan/Black Light Switch Factory Disarm Purple/Yellow (-) Driver's Kick Panel Black Connector at ECM -slice into this wire, & wire it to ground, this disables the alarm. Door Trigger Yellow (-) Driver's Kick Panel see notes Door Lock 5/Wire in Driver's Inside Driver's Door Orange/Purple Lock Pink/Black Unlock Door Unlock and Passenger's Doors Inside Passenger's Door Black/White L Pink/Black Unlock Horn Wire Gray/Orange (-) Steering Column Windows Up LF=Light Blue, RF=Brown/White, LR=Blue/White, RR=Gray/Black Doors Windows Down LF=White, RF=Purple/White, LR=Red/Black, RR=Green/White
• Cruise Control Information • Stereo Information • View all Jeep Vehicles

Dec 18, 2010 | 1996 Jeep Grand Cherokee

1 Answer

After a shutdown of the engine the heater fan will not come on for a period of time after startup, also the DIC has no readout at the same time. Also cruise control light will come on upon startup of...


Check connections at body control module - 3 connectors located on the left side underneath dashboard. If connectors are tight - replace body control module will need to be reprogrammed with a Tech2.

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1 Answer

Main fuses for the horn and air bag


Fuse #8, #18 and #22.

Below is a listing of which fuse corresponds with which circuit:

1 - 10 Amp - Transmission Controller, Gauges, Autostick
2 - 10 Amp - Right High Beam Headlight
3 - 10 Amp - Left High Beam Headlight
4 - 10 Amp - Radio, CD Player
5 - 10 Amp - Washer Motor
6 - 15 Amp - Power Outlet
7 - 20 Amp - Tail, License, Parking, Illumination Lights, Instrument Cluster
8 - 10 Amp - Airbag
9 - 10 Amp - Turn Signal Lights, Turn Signal/Hazard Indicator
10 - 15 Amp - Right Low Beam
11 - 20 Amp - High Beam Relay, High Beam Indicator, High Beam Switch
12 - 15 Amp - Left Low Beam Headlight
13 - 10 Amp - Fuel Pump Relay, Power Train Control Module
14 - 10 Amp - Cluster, Day/Night Mirror,Sunroof, Overhead Console, Garage Door Opener, Body Control Module
15 - 10 Amp - Daytime Running Light Module (Canada)
16 - 20 Amp - Fog Light Indicator
17 - 10 Amp - ABS Control, Back Up Lights, Daytime Running Lights, A/C Heater Control Cavity Fuse Circuits
18 - 20 Amp - Power Amplifier, Horn
19 - 15 Amp - Overhead Console, Garage Door Opener, Trunk, Overhead, Rear Reading, and Visor Vanity Lights, Trunk Release Solenoid, Power Mirrors, Power Door Locks, Body Control Module, Aspirator Motor
20 - 20 Amp - Brake Lights
21 - 10 Amp - Leak Detection Pump, Low Rad Relay, High Rad Relay, A/C Clutch Relay
22 - 10 Amp - Airbag
23 - 30 Amp - Blower Motor, ATC Power Module
24 - 20 Amp - Power Window Motors
25 - 20 Amp - Power Door Lock Motors, Power Seats

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1 Answer

Cruise Control, Steering Wheel Radio Buttons, Overhead Console


it sounds like you got 2 problems...the cruise and radio buttons sound like a bad clockspring......the overhead console problem sounds like a bad ambient temp sensor located behind the grill. if it is too cold out the ac will not run

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Dashboard display: tach, speedometer, odometer, fuelgauge etc.


the wiring harness is loose, turn the car on and start wiggling the harness and have someone watch the dash while you do this

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