SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1315 (CRUISE CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC 014TEST DESCRIPTION
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Test Description

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Test Description
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  This step tests for proper arm movement with the magnetic clutch de-energized.
  2. 3:  This step tests for proper arm movement with the magnetic clutch energized.
DTC 014

Step Action Yes No
Schematic Reference: Cruise Control Schematics 
1 Did you perform the Diagnostic System Check - Cruise Control  ? Go to Step 2  Go to Diagnostic System Check - Cruise Control 
2 
  1. Disconnect the cruise control cable from the actuator.
  2. Move the actuator arm back and forth.
Does the actuator arm move freely in both directions?		 Go to Step 3  Go to Step 5 
3 
  1. Disconnect the cruise control servo connector.
  2. Connect a fused jumper wire from ground to terminal 4 of the cruise control servo.
  3. Connect a fused jumper wire from B+ to terminal 3 of the cruise control servo.
  4. Attempt to move the actuator arm.
Does the actuator arm move?		 Go to Step 5  Go to Step 4 
4 Inspect for poor connections at the harness connector of the cruise control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 8  -
5 Inspect for poor connections at the harness connector of the cruise control servo. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 8  -
6 Replace the cruise control module. Refer to Cruise Control Module Replacement .
Did you complete the replacement?		 Go to Step 8  -
7 Replace the cruise control servo. Refer to Cruise Control Servo Replacement .
Did you complete the replacement?		 Go to Step 8  -
8
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Pull the cruise control switch to the CANCEL position and hold.
  4. While holding the cruise control switch to the CANCEL position, push the cruise control ON switch 5 times within 3 seconds.
  5. Check that the CRUISE indicator lamp flashes rapidly. This confirms that any flash codes have been cleared.
Does the CRUISE indicator lamp flash the same trouble code?		 Go to Step 2  System OK
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.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.