C1113
ABS Power Relay Coil Short Circuit To Battery
Chassis Chassis/Safety ABS Relay Control 🔴 Serious — Stop or limit driving
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What This Actually Means
In plain language — no jargon

The ABS power relay coil is shorted directly to the battery's positive terminal, causing excessive current draw and preventing normal ABS operation. Think of it like a wire bypass that short-circuits the relay instead of letting it switch power properly.

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Symptoms You May Notice
3 known symptoms for this code
ABS warning light illuminated on dashboard
ABS system inoperative; brakes lock up under hard braking
Clicking or buzzing noise from ABS module area when ignition is on
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Embedded Systems Insight
What the ECU/ECM is actually computing

The ECU monitors the voltage and current draw across the ABS power relay coil circuit. During normal operation, the coil draws a controlled amount of current when energized. A short to battery causes continuous high current draw that the ECU detects as an out-of-range voltage condition.

Voltage & Parameter Thresholds

Parameter Normal Range Fault Condition
Relay Coil Current Draw 0.5–1.5 A when energized ≥3.0 A or continuous draw when de-energized
Coil Voltage at Module 12–14 V controlled switching Direct 12–14 V present regardless of control signal
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Diagnostic & DIY Fix Guide
Check these in order — from cheapest to most complex
1
ABS Power Relay
Replace the faulty relay with an OEM or equivalent part; this is the most common cause and the cheapest fix.
2
ABS Module Wiring Harness
Inspect the relay connector and harness for pinched, melted, or exposed wires and repair or replace as needed.
3
ABS Control Module
If relay and wiring are sound, the module itself may have an internal short and require replacement.