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, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 446 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSTARTER SOLENOID DOES NOT CLICKCIRCUIT/SYSTEM TESTINGTCM TR SWITCH CIRCUIT MALFUNCTION
2006 Isuzu Ascender S, 5.3 M, 4WD
TCM Tr Switch Circuit Malfunction
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION TCM Tr Switch Circuit Malfunction
WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the TCM connectors are correctly seated and secure.
- Verify that the shift cable is properly routed and adjusted. Refer to Shift Control Cable Adjustment .
- If all connections are secure and the cable is properly routed and adjusted, replace the TCM/Tr switch.
RENDER: 1.0x
NO RELATED
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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.