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.
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HOMESERVICE MANUALSISUZU2006ASCENDER S, 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 242 (CRUISE CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESCRUISE CONTROL INDICATOR ALWAYS ON (4.2L)
2006 Isuzu Ascender S, 4.2 S, 4WD
Cruise Control Indicator Always On (4.2L)
2006 Isuzu Ascender S, 4.2 S, 4WDSECTION Cruise Control Indicator Always On (4.2L)
WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
Cruise Control Indicator Always On (4.2L)
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Cruise Control Schematics Connector End View Reference: Powertrain Control Module Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Turn ON the ignition, with the engine OFF. Does the Cruise indicator illuminate after the instrument panel cluster (IPC) displays test? |
Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 |
|
Go to Step 6 | Go to Step 7 |
| 4 | Inspect for poor connections at the harness connector of the powertrain control module (PCM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 8 | Go to Step 6 |
| 5 | Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 8 | Go to Step 7 |
| 6 | Replace the PCM. Refer to Control Module References
for replacement, setup and programming Did you complete the replacement? |
Go to Step 8 | - |
| 7 | Replace the IPC. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
Go to Step 8 | - |
| 8 | Operate the system in order to verify the repair. Does the system operate properly? |
System OK | Go to Step 2 |
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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.