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 MANUALSCHEVROLET1995S10/T10 P/U 2WD L4-2.2L VIN 4REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTRANSMISSION POSITION SENSOR/SWITCHTECHNICAL SERVICE BULLETINSSERVICE MANUAL - CORRECTION TO DTC P1810
1995 Chevrolet S10/T10 P/U 2WD L4-2.2L VIN 4
Service Manual - Correction To DTC P1810
1995 Chevrolet S10/T10 P/U 2WD L4-2.2L VIN 4SECTION Service Manual - Correction To DTC P1810
File In Section: 7 - Transmission
Bulletin No.: 57-71-20
Date: October, 1995
Subject:
Section 10B - Driveability and Emissions - Correction to DTC P1810
Models:
1995 Chevrolet and GMC Truck S/T Models
with 4L60-E Transmission (RP0 M30) and Vehicle Control Module (VCM-A)

Illustrated is the new page of the 1995 Driveability and Emissions Manual with VCM-A.
The statement under "DTC P1810 Will Pass When" has changed. This statement should read:
The VCM-A will report a "Pass" when range signals "A" and "C" have a legal combination and vehicle is driven with TCC "ON" for 24 seconds.
Add this to your 1995 Service Manual.
Bulletin No.: 57-71-20
Date: October, 1995
Subject:
Section 10B - Driveability and Emissions - Correction to DTC P1810
Models:
1995 Chevrolet and GMC Truck S/T Models
with 4L60-E Transmission (RP0 M30) and Vehicle Control Module (VCM-A)
Illustrated is the new page of the 1995 Driveability and Emissions Manual with VCM-A.
The statement under "DTC P1810 Will Pass When" has changed. This statement should read:
The VCM-A will report a "Pass" when range signals "A" and "C" have a legal combination and vehicle is driven with TCC "ON" for 24 seconds.
Add this to your 1995 Service Manual.
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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.