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 MANUALSSATURN1992SL1 AUTOMATICREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMPINPOINT TESTSCODE 27 - LEFT REAR WHEEL SPEED ACCELERATION FAULTNOTES
1992 Saturn SL1 Automatic
Code 27 - Left Rear Wheel Speed Acceleration Fault: Notes
1992 Saturn SL1 AutomaticSECTION Notes
Each wheel speed sensor generates a signal which is proportional to wheel speed. When control module detects speed signal change greater than 10 MPH (16 km/h) while vehicle is moving, it disables ABS and turns on ANTI-LOCK warning light.
RENDER: 1.0x
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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.