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2007 Buick Rendezvous CXL 3.5L MIL Lamp on
Vehicle has DTC P0446 (EVAP Vent Performance). Verified the wiring is good. I can not get the ECM to apply the ground for the vent valve. ECM is new and has the latest calibration, which is specifically for this DTC (p0446). ACDelco TDS help desk is unable...
FIX posted 12/20/2023
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Message Closed
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13 Replies Received
13 Replies Received
Related Documents & Media | VIN | 3G5DA03L77 |
| Engine | 3.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0446 | EVAP Vent Control System Performance |
Message Closed
Vehicle Data
2007 Buick Rendezvous CXL
| VIN | 3G5DA03L77 |
| Engine | 3.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0446 | EVAP Vent Control System Performance |
Video