P0449 Diagnostic Trouble Code Discussion for May 2021
EVAP Vent Solenoid Control Circuit Malfunction
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| Help Request | Posted | |
| 2011 GMC Yukon XL 1500 Denali 6.2L MIL Lamp on VIN: 1GKS2MEF3B P0449: Evap vent solenoid control circuit. On scanner, compare crank active counter to cam active counter. Idle in park, crank active counter is erratic. Whereas, cam active counter consistently counts up to 250 at idle in park. However, in drive under light load in the shop, the crank active count... |
May 19, 2021 |
