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 MANUALSCHEVROLET1996SPORTVAN VAN PASSENGER EXTENDED, 6.5 YREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 25 (ENGINE CONTROLS - TESTS W/CODES - 2.2L)TROUBLE CODE CHARTSCODES 37/38, TCC BRAKE SWITCH ON/OFFNOTES
1996 Chevrolet Sportvan Van Passenger Extended, 6.5 Y
Codes 37/38, TCC Brake Switch On/Off: Notes
1996 Chevrolet Sportvan Van Passenger Extended, 6.5 YSECTION Notes
WARNING: This page is about a different car, the 1995 GMC Sonoma and 1995 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
The normally closed brake switch supplies battery voltage to control module. Signal voltage will drop to zero volts when brake pedal is applied.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Checks if voltage is available at brake switch.
- Checks brake switch function.
- Checks circuit from brake switch to control module.
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.