Auto Alarm Repair in Orange, CA

  • Car in Shop

    False alarms, no-response key fobs, and immobilizer issues are often wiring or module-related. We diagnose factory and aftermarket alarm systems to restore reliable security without nuisance triggers.


    Common Symptoms

    • Alarm triggers randomly
    • Key fob won’t arm/disarm consistently
    • Vehicle won’t start due to alarm/immobilizer
    • Door/hood triggers misread or stuck

    Our Diagnostic Process

    • Module & Sensor Testing: Motion, shock, tilt, door, and hood
    • Network & Security Scans: Factory alarm communication
    • Wiring & Power Checks: Detects shorts and voltage drops
    • Key Fob & Antenna Tests: Confirms signal and pairing

    Services We Provide

    • Factory alarm diagnostics and repair
    • Aftermarket alarm troubleshooting
    • Sensor calibration and replacement
    • Harness repair and secure installation

    Schedule Service

    End nuisance triggers and restore reliable protection. Contact Joseph Harrington Automotive.

    Request an appointment

  • You Can Count On Joseph Harrington Automotive

    • Auto Computer Specialist
    • ASE Certified
    • Electrical Specialists
    • All Makes & Models
    • In Business Since 1986
    • Great Customer Service
    • Quality Work - Affordable Rates

Our Services

Auto Electric Repairs in Orange, CA


    • Battery Service
    • Alternator Service
    • Starter Service
    • Ignition Repair
    • Check Engine Diagnostics
    • Wiring Repair
    • Fuse & Relay Service
    • Warning Light Repair
    • Power Window/Lock Repair
    • Lighting Repair
    • Interior Lighting
    • Power Seat/Mirror Repair
    • Blower Motor Repair
    • Instrument Cluster Repair
    • Sensor Replacement
    • ECU/PCM Service
    • Remote Start/Alarm Repair
    • Charging System Service
    • Trailer Wiring
    • Electric Fan Repair

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