Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1329 (INSTRUMENT PANEL SYSTEM DISPLAYS & GAGES)DIAGNOSTIC INFORMATION AND PROCEDURESCOMPASS MALFUNCTIONCIRCUIT/SYSTEM TESTINGCOMPASS DISPLAY IS BLANK
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Compass Display Is Blank
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Compass Display Is Blank
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the compass module.
- Test for less than 1.0 ohm between the low reference circuit terminal 2 and ground.
- If greater than the specified range, test the circuit for a short to voltage or an open/high resistance.
- Ignition ON, verify that a test lamp illuminates between the voltage circuit terminal 1 and ground.
- If the test lamp does not illuminate, repair the circuit for a short to ground or an open/high resistance.
- Ignition OFF, test for greater than 1.0 ohm between the compass signal circuit terminal 3 and ground.
- If less than the specified range, test the signal circuit for a short to ground.
- Ignition ON, verify that a test lamp does not illuminate between the compass signal circuit terminal 3 and ground
- If the test lamp illuminates, test the signal circuit for a short to voltage.
- Ignition OFF, disconnect the harness connector X4 at the BCM.
- Test for less than 1.0 ohm between the compass signal circuit terminal 3 to the BCM terminal 6
- If greater than the specified range, repair the signal circuit for an open/high resistance.
- If all circuits test normal, replace the compass module.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.