2011 Buick LaCrosse CXL 2.4L MIL Lamp on
cust. says light has been on for about a year but runs fine, is going to sell car and would like the light to stay out. The vent sol. 10amp fuse is good open and close sol. with scan tool but no click at sol. that's when I found low voltage, one wire had 0...
FIX posted 4/26/2020
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Message Closed w/FIX
Vehicle Data2011 Buick LaCrosse CXL
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2011 Buick LaCrosse CXL
VIN | 1G4GC5GC9B |
Engine | 2.4 L / 4 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Misc. | P0449 |
Trouble Codes
P0449 | PCM Internal Fault |