Top 10 2003 Chevrolet Silverado 2500HD Questions & Answers

Cars & Trucks Logo

Question

  • 25,644 People Helped

2003 Chevy 2500HD Dash Gauges not working

I have a 2003 Chevrolet 2500HD and my dash gauges have quit working but, my digital read out is still working (Fuel mileage, Odometer, etc...). What could this be?

Posted by on

Answer

  • Most Helpful of 10 Answers

In my case, simply removing and reseating the IPC/DIC fuse restored the gauges to full functionality.

Posted on Dec 31, 2008

Question

  • 9,632 People Helped

CHEVY SILVERADO 2500HD DURAMAX DIESEL

I HAVE START BUT ENGINE NOT RUN,I HAVE 2 CODES P1093,U1024

Posted by on

Answer

  • Most Helpful of 5 Answers

DTC P1093
Fuel Rail Pressure Low During Power Enrichment



The engine control module (ECM) uses the fuel rail pressure (FRP) sensor to determine fuel pressure to the fuel injectors. This is then compared to the calculated target fuel pressure as determined by the ECM. The ECM adjusts the FRP by modulating the duty cycle of the control driver of the fuel pressure regulator. Injector pulse duration is determined by the measured rail pressure and the target injection fuel into each cylinder. If a sensor circuit malfunction is detected, or the commanded fuel injection pump flow is not within the proper range for a given engine load and speed, DTCs will be set.

DTC U1000 and U1255 Circuit Description Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. When a module receives a message for a critical operating parameter, the module records the identification number of the module which sent the message for State of Health monitoring. A critical operating parameter is one which, when not received, requires that the module use a default value for that parameter. When a module does not associate an identification number with at least one critical parameter within about five seconds of beginning serial data communication, DTC U1000 or U1255 is set. When more than one critical parameter does not have an identification number associated with it, the DTC will only be reported once. The class 2 serial data line on this vehicle is a ring/star configuration. The following modules communicate on the class 2 serial data line:
• The body control module (BCM) • The digital radio reciever • The driver door module (DDM) • The electronic brake control module (EBCM) • The front passenger door module (FPDM) • The HVAC control module • The inflatable restraint sensing and diagnostic module (SDM) • The instrument panel cluster (IPC) • The memory seat module (MSM) • The powertrain control module (PCM) • The radio • The radio amplifier • The rear seat audio (RSA) controller • The rear seat entertainment (RSE) assembly w/U42 • The rear wheel steering control module • The remote playback device-CD player w/U1S • The transfer case shift control module • The transmission control module (TCM) w/Allison transmission • The theft deterrent control module • The vehicle communication interface module (VCIM) w/UE1

Posted on Dec 09, 2008

Question

  • 7,234 People Helped

looking for color code (diagram) - 7 wire trailer harness/wiring

want to install 7 point trailer connector in box of truck for towing fifth wheel trailer as opposed to plugging into 7 point bumper connector. would like to know correct color code for each wire before proceeding with installation. any other advice or tips welcomed. Thanks!

Mike

Posted by on

Answer

  • Most Helpful of 1 Answers

If you haven't purchased the plugs yet. The wire color codes should be included in the package.

  • If you are using used plugs ck the back of the plugs for color or function of wire
  • Wht - ground
  • red - stop
  • blue - accessory/aux
  • brown - tail
  • black - Marker
  • grn - left turn
  • yellow - right turn

Posted on May 06, 2009

Question

  • 5,638 People Helped

Po651 sensor reference voltage b circuit/open

Po651 sensor reference voltage b circuit/open

Posted by on

Answer

  • Most Helpful of 1 Answers

P0606 P0641 P051 P0690
I NEED HELP AS TO THE DIRECT PROBLEM IVE BEEN GOOGLING past 2 weeks....not understanding exactly what I need to replace

Posted on May 15, 2018

Question

  • 5,413 People Helped

2003 CHEVROLET SILVERADO 2500HD 6.0

2003 CHEVROLET SILVERADO 2500HD 6.0 - thermostat location and replacement

Posted by on

Answer

  • Most Helpful of 1 Answers

4.8L, 5.3L & 6.0L Engines

  1. Remove the air inlet duct.
  2. Drain the cooling system.
  3. Remove the radiator outlet hose.
  4. Remove the thermostat housing bolts.
  5. Remove the thermostat from the water pump housing.

The O-ring seal is integral to the thermostat housing



c17hydro_16.gif

Thermostat housing-4.8L, 5.3L and 6.0L engines


To install:

  1. Install the thermostat to the water pump housing making sure the spring side is inserted into the engine.
  2. Install the bolts.
    • Tighten the bolts to 11 ft. lbs. (15 Nm).
  3. Install the radiator outlet hose.
  4. Fill the cooling system.
  5. Install the air inlet duct.
  6. Test the system for leaks.
// // 0) preLoad.src = ctl00_cphLeft_chRepairTreeNav_tvTOC_ImageArray[i]; } ctl00_cphLeft_chRepairTreeNav_tvTOC_Data.lastIndex = 26; ctl00_cphLeft_chRepairTreeNav_tvTOC_Data.populateLog = theForm.elements['ctl00_cphLeft_chRepairTreeNav_tvTOC_PopulateLog']; ctl00_cphLeft_chRepairTreeNav_tvTOC_Data.treeViewID = 'ctl00$cphLeft$chRepairTreeNav$tvTOC'; ctl00_cphLeft_chRepairTreeNav_tvTOC_Data.name = 'ctl00_cphLeft_chRepairTreeNav_tvTOC_Data'; //]]> var _strTreeScrollHidName = 'ctl00_hidTreeScrollPos';

Posted on Nov 13, 2010

Question

  • 5,263 People Helped

2003 chevy silverado reduced engine power

2003 chevy silverado reduced engine power

Posted by on

Answer

  • Most Helpful of 2 Answers

CHECK AIR FILTER!!!

Posted on Dec 13, 2009

Question

  • 4,265 People Helped

6.6 duramax how many quarts of oil do I need for change

Bought truck used. No manual

Posted by on

Answer

  • Most Helpful of 2 Answers

A 2003 6.6 duramax holds 10 quarts with filter. you must also use a high quality diesel rated oil such as shell rotella 15w 40

Posted on Feb 08, 2009

Question

  • 4,087 People Helped

On my 2003 Chevy Silverado, the A/C compressor

On my 2003 Chevy Silverado, the A/C compressor won't kick on. Just blows out warm/hot air.

Posted by on

Answer

  • Most Helpful of 2 Answers

either the fuse,relay,low pressure switch on the low side line near the receiver, your actually low on R-12 freon/refrigerant R134a,or the magnetic coil that holds the clutch in to turn the compressor is bad,you can test all the above problems with a 12 volt tester and a manifold gauge for refrigerant and add R134a legally,but you need a license to purchase R-12 and install it

Posted on Apr 11, 2010

Question

  • 3,487 People Helped

instrument panel cluster gauges and odometer has stopped working

where is the fuse located for the instrument panel cluster

Posted by on

Answer

  • Most Helpful of 2 Answers

I had all my analog instrument panel gauges stop working after they did the state emissions test. I found the proper fuse in the fuse block located under the hood. Simply unplugged the fuse, noticed it was still good, and plugged the same fuse (10A) back in and all the gauges started working again. Guess it needed a reset atfer they plugged in for the emissions.

Posted on Aug 14, 2009

Question

  • 3,252 People Helped

trouble code p1093 2003 duramax

trouble code p1093 2003 duramax

Posted by on

Answer

  • Most Helpful of 1 Answers

P1093: Fuel pressure low during power enhancement

Check the oil and see if it smells like diesel. Sounds like an injector stuck open.
The LB7 trucks have injector warranty extended to 200k, so I would think about calling the dealer.

Posted on Apr 13, 2010

1,273 questions posted

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

Marvin
Marvin

Level 3 Expert

85206 Answers

Jonah Oneal

Level 3 Expert

14092 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22484 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

View Most Popular

2003 Chevrolet Silverado 2500HD Silverado 2500HD

  • 2003 Chevrolet Silverado 2500HD Silverado 2500HD

Most Popular Question

2003 chevy silverado 2500hd heater fan

  • Cars & Trucks
Loading...