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 1577 (POWER TAKE-OFF SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Diagnostic Code Index
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P061C | P061C: Control Module Engine Speed Performance |
| DTC P0641 | P0641: 5-Volt Reference Circuit |
| DTC P0651 | P0651: 5 Volt Reference 2 Circuit |
| DTC P159C | P159C: Power Take-Off (PTO) Remote Engine Shutdown Switch Circuit |
| DTC P251A-P251F | P251A: Power Take-Off (PTO) Enable Switch Circuit P251E: Power Take-Off (PTO) Engine Shutdown Control Circuit Low Voltage P251F: Power Take-Off (PTO) Engine Shutdown Control Circuit High Voltage |
| DTC P253D | P253D: Power Take-Off (PTO) Relay Feedback Circuit High Voltage |
| DTC P258E | P258E: Power Take-Off (PTO) Enable Switch Performance |
| DTC P260A-P260C | P260A: Power Take-Off (PTO) Relay Control Circuit P260B: Power Take-Off (PTO) Relay Control Circuit Low Voltage P260C: Power Take-Off (PTO) Relay Control Circuit High Voltage |
| DTC P260D | P260D: Power Take-Off (PTO) Engaged Indicator Control Circuit |
RENDER: 1.0x
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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.