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.
DTC Descriptor
2009 Chevrolet Tahoe Base, 4.8 CSECTION DTC Descriptor
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0601
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Control Module Read Only Memory (ROM)
- DTC P0602
-
Control Module Not Programmed
- DTC P0603
-
Control Module Long Term Memory Reset
- DTC P0604
-
Control Module Random Access Memory (RAM)
- DTC P0606
-
Control Module Internal Control Module Performance
- DTC P062F
-
Control Module Long Term Memory Performance
RENDER: 1.0x
NO RELATED
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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.