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2003 Chevrolet Trailblazer North Face 4.2L Hesitation, Surge, MIL Lamp on
Posted to GM Driveability on 7/25/2009 17 Replies

I just replaced the PCM in hopes this would clear up the problem,But It didn't. The 5 Voltage problem is the culprit.

Using My DVOM and the 5 volt Pin,coming from the PCM it will vary from 3.00 volts to 4.50 volts,Can't find anything else wrong,Just the varyi...

17 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Trailblazer North Face

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Trailblazer North Face

VIN 1GNET16S53
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / FI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, MIL Lamp On
OccursIdle

Trouble Codes

P1221TP Sensor 2 1-2 Correlation
P16355-Volt Reference 'A' Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Trailblazer North Face

VIN 1GNET16S53
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / FI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, MIL Lamp On
OccursIdle

Trouble Codes

P1221TP Sensor 2 1-2 Correlation
P16355-Volt Reference 'A' Circuit Malfunction