C1245
ABS Outlet Valve Coil LR Circuit Short To Ground
Chassis Chassis/Safety ABS Electrical 🔴 Serious — Stop or limit driving
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What This Actually Means
In plain language — no jargon

The ABS system's left-rear outlet valve solenoid coil has an electrical short to ground, meaning the coil is leaking electricity where it shouldn't. It's like a wire touching the metal frame when it shouldn't, creating a shortcut for electricity.

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Symptoms You May Notice
3 known symptoms for this code
ABS warning light illuminated on dashboard
ABS system disabled or non-functional
Reduced braking performance or longer stopping distances
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Embedded Systems Insight
What the ECU/ECM is actually computing

The ECU monitors the resistance and current draw of the left-rear ABS outlet valve solenoid coil during operation. When the coil shorts to ground, resistance drops dramatically and current exceeds normal thresholds, triggering the fault code. The ECU detects this abnormal electrical signature and disables ABS to prevent unpredictable brake behavior.

Voltage & Parameter Thresholds

Parameter Normal Range Fault Condition
Solenoid Coil Resistance 5-15 ohms Less than 2 ohms or infinite resistance
Solenoid Current Draw 0.5-2 amps during activation Excessive current or no current flow
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Diagnostic & DIY Fix Guide
Check these in order — from cheapest to most complex
1
Wiring harness connector and pins
Inspect the left-rear ABS valve connector for corrosion, moisture, or loose pins and clean or reseat as needed.
2
ABS outlet valve solenoid coil wiring
Check the wiring harness for cuts, abrasions, or exposed conductors touching the frame and repair with electrical tape or replace the harness.
3
Left-rear ABS outlet valve solenoid assembly
Replace the solenoid coil assembly if wiring and connectors are intact but resistance readings confirm internal coil damage.