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 MANUALSCHEVROLET2002AVALANCHE 2500, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1478 (AUTOMATIC TRANSAXLE - 4T45-E - SERVICE, DIAGNOSIS & TROUBLESHOOTING)INACCURATE/INCONSISTENT SHIFT POINTS
2002 Chevrolet Avalanche 2500, RWD
Inaccurate/Inconsistent Shift Points
2002 Chevrolet Avalanche 2500, RWDSECTION Inaccurate/Inconsistent Shift Points
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Inaccurate/Inconsistent Shift Points
| Checks | Causes |
|---|---|
| Shift Solenoids (305) |
|
| Throttle Position Sensor |
|
| Vehicle (62) and Input Speed Sensors (46) |
|
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.