
2003 Chevrolet Trailblazer North Face 4.2L Hesitation, Surge, MIL Lamp on
I just replaced the PCM in hopes this would clear up the
problem,But It didn't. The 5 Voltage problem is the
culprit.
Summary posted 7/30/2009
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)17 Replies Received(Hide Replies)17 Replies Received
|
Message Closed w/Summary
|
VIN | 1GNET16S53 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / FI |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Surge, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P1221 | TP Sensor 2 1-2 Correlation |
P1635 | 5-Volt Reference 'A' Circuit Malfunction |
Message Closed w/Summary
Vehicle Data
2003 Chevrolet Trailblazer North Face
VIN | 1GNET16S53 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / FI |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Surge, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P1221 | TP Sensor 2 1-2 Correlation |
P1635 | 5-Volt Reference 'A' Circuit Malfunction |