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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1061 (POWER TAKE-OFF)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Suburban C2500, 6.0 U
Diagnostic Code Index
2006 Chevrolet Suburban C2500, 6.0 USECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P016C | Control Module Engine Speed Performance |
| DTC P0641 | 5-Volt Reference Circuit |
| DTC P0651 | 5 Volt Reference 2 Circuit |
| DTC P159C | Power Take-Off (PTO) Remote Engine Shutdown Switch Circuit |
| DTC P251A-P251F | Power Take-Off (PTO) |
| DTC P253D | Power Take-Off (PTO) Relay Feedback Circuit High Voltage |
| DTC P258E | Power Take-Off (PTO) Enable Switch Performance |
| DTC P260A-P260C | Power Take-Off (PTO) Relay Control Circuit |
| DTC P260D | Power Take-Off (PTO) Engaged Indicator Control Circuit |
| DTC C0550 | Electronic Control Unit (ECU) Performance |
| DTC C0899 or C0900 | Device Voltage |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.