Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1403 (ENTERTAINMENT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Scan Tool Data List
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Scan Tool Data List
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Audio Amplifier (1st Design)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition in RUN, Radio ON | |||
| Balance | Data | Value | -50 to +50 |
| Bass | Data | Percent | 0-100% |
| Battery Voltage | Data | Volts | 0-18V |
| Chime Volume | Data | Percent | 0-100% |
| Fade | Data | Value | -50 to +50 |
| Ignition Since Current DTC | Data | Cycles | 0-225 |
| Treble | Data | Percent | 0-100% |
| Volume | Data | Percent | 0-100% |
Digital Radio Receiver
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON/Engine OFF/Radio ON | |||
| 8-Digit GM Part Number | ID Information/Module Information | Numeric | Varies |
| Battery Voltage | Data | Volts | Varies |
| Component Serial Number | ID Information/Module Information | Numeric | Varies |
| Day | ID Information/DSP Software Version ID | Numeric | Varies |
| Day | ID Information/XM Software Version ID | Numeric | Varies |
| Digital Radio Antenna | Data | Millivolts or Milliamps | Varies |
| Ignition Counter | Data | Numeric | Varies |
| Month | ID Information/DSP Software Version ID | Numeric | Varies |
| Month | ID Information/XM Software Version ID | Numeric | Varies |
| Power Mode | Data | Alphanumeric | Run |
| Radio ID | ID Information/Module Information | Numeric | Varies |
| Software Version | ID Information/DSP Software Version ID | Numeric | Varies |
| Software Version | ID Information/XM Software Version ID | Numeric | Varies |
| Year | ID Information/DSP Software Version ID | Numeric | Varies |
| Year | ID Information/XM Software Version ID | Numeric | Varies |
Radio
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition in RUN, Radio ON | |||
| Balance | Data | Value | -50 to +50 |
| Bass | Data | Percent | 0-100% |
| Battery Voltage | Data | Volts | 0-18V |
| Cal. Module 1 Part No | ID Information | numeric | varies |
| Cal. Module 1 Suffix | ID Information | alphanumeric | varies |
| Fade | Data | Value | -50 to +50 |
| Ignition Since Current DTC | Data | Cycles | 0-225 |
| Midrange | Data | Percent | 0-100% |
| New VIN Counter | Data | numeric | varies |
| Operational S/W Part No | ID Information | numeric | varies |
| Operational S/W Suffix | ID Information | alphanumeric | varies |
| Signal Strength | Data | dB | 0-225 |
| Treble | Data | Percent | 0-100% |
| Volume | Data | Percent | 0-100% |
Rear Seat Audio (RSA) Controller
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition in RUN, Radio ON | |||
| Battery Voltage | Data | Volts | 0-18V |
| Ignition Since Current DTC | Data | Cycles | 0- 225 |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.