C1194
ABS Outlet Valve Coil LF Circuit Failure
Chassis Chassis/Safety ABS valve solenoid circuit 🔴 Serious — Stop or limit driving
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What This Actually Means
In plain language — no jargon

The ABS system's left-front outlet valve solenoid isn't working properly, like a stuck water valve that won't open or close when the pump tries to control it. The ABS module can't communicate with or energize this valve coil, so anti-lock braking won't function correctly on that wheel.

Symptoms You May Notice
3 known symptoms for this code
ABS warning light illuminated on dashboard
Loss of ABS function; wheels may lock during hard braking
Possible brake pedal pulsation or lack thereof during emergency stops
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Embedded Systems Insight
What the ECU/ECM is actually computing

The ABS module monitors coil resistance and current draw when commanding the LF outlet valve solenoid. It expects a specific resistance range and proper current response within milliseconds when energized. If resistance is out of range, current is absent, or the coil fails to respond, a circuit fault is logged.

Voltage & Parameter Thresholds

Parameter Normal Range Fault Condition
Coil Resistance 4–8 ohms (varies by manufacturer) Open circuit (∞ ohms) or short circuit (<2 ohms)
Coil Current Response 0.5–1.5 A within 10 ms of command No current or delayed/absent response
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Diagnostic & DIY Fix Guide
Check these in order — from cheapest to most complex
1
ABS module connector and wiring harness
Inspect connector pins for corrosion, loose terminals, or damaged wires; clean or reseat connections and test.
2
LF outlet valve solenoid coil
Use a multimeter to test coil resistance; if open or shorted, replace the valve assembly or solenoid.
3
ABS module relay or fuse
Check fuse integrity and relay operation; replace if blown or stuck, then retest.