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2002 Chevrolet Tahoe LS 5.3L MIL Lamp on
Posted to GM Driveability on 10/25/2006 8 Replies

truck was brought in for service engine soon light on, scan for codes and got po449. ck powers and grounds to vent valve. had power but no ground from pcm. repaired wiring and checked vent valve for clicking when commanded from scanner. all is fine so i cleare...

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  Related Documents & Media  2002 Chevrolet Tahoe LS

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Tahoe LS

VIN 1GNFK13Z92
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0449PCM Internal Fault
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Tahoe LS

VIN 1GNFK13Z92
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0449PCM Internal Fault