P2636 Diagnostic Trouble Code Discussion for July 2026
Fuel Transfer Pump Flow Insufficient
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| Help Request | Posted | |
| 2006 Chevrolet C4500 Kodiak C4U042 6.6L Stall, MIL Lamp on VIN: 1GBE4E1286 P2636: Fuel Transfer Pump Flow Insufficient. This unit ran out of fuel, and broke down on the road. I was wanting to know whether anyone else has ever ran across this in the past and how often it was seen, and what DTCs were recorded if any on the 2006 C4500 Kodiak. I do know how the system operates ... |
July 28, 2026 |
