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.
Code 81: Abs Message Fault: Notes
1994 Saturn SL2 AutomaticSECTION Notes
The PCM receives messages from the ABS controller to activate the traction control system. When messages are not transmitted properly between ABS controller and PCM, Code 81 will set.
NOTE:
The Data Link Connector (DLC) was previously referred to as the ALDL connector. This is the same connector.
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.