🔵 © ISUMO® More Than a Brand — It’s Quality.

🔵 © ISUMO® Description

• ISUMO® EC1121 is an 8-wire repair pigtail designed to connect the vehicle wiring harness to the Blind Spot Detection / Side Object Sensor Module.
• Each equipped vehicle uses two connectors: one at the Rear Left module and one at the Rear Right module.
• Designed to replace a damaged, corroded, loose, or broken connector without replacing the complete vehicle wiring harness.

🔵 © ISUMO® Functions

• Provides a secure electrical connection to the Blind Spot Detection Sensor Module.
• Carries power, ground, and communication signals between the vehicle harness and sensor module.
• Supports Rear Left and Rear Right blind-spot sensor operation.
• Helps maintain proper blind-spot warning signals to the outside mirrors.

🔵 © ISUMO® Vehicle Fitment

• Buick Enclave 2012–2026
• Chevrolet Traverse 2013–2026
• GMC Acadia 2012–2026
• For vehicles equipped with Blind Spot Detection / Side Blind Zone Alert.

🔵 © ISUMO® Common Error Codes

• U0232 — Lost Communication With Left Side Object Sensor Module
• U0233 — Lost Communication With Right Side Object Sensor Module
• B094D — Left Side Blind Zone Alert Indicator Circuit Fault
• B094E — Right Side Blind Zone Alert Indicator Circuit Fault
• Diagnostic codes may vary by model, year, and system configuration.

🔵 © ISUMO® Common Symptoms

• “Service Side Detection System” warning message
• Blind-spot monitoring system unavailable or intermittent
• Left or right mirror warning indicator does not illuminate
• Intermittent communication with a blind-spot sensor module
• Corroded, damaged, loose, or water-contaminated connector
• Warning system operates after moving or touching the connector wiring

🔵 © ISUMO® Benefits

• Cost-effective alternative to replacing the complete wiring harness
• Pre-attached wire leads simplify connector repair
• Suitable for Rear Left or Rear Right sensor locations
• Positive-locking connector design helps maintain a secure connection
• Helps restore reliable circuit continuity when the original connector is the cause of the malfunction

🔵 © ISUMO® Package Includes

• Blind Spot Detection Sensor Connector x1
• One connector for Rear Left and one connector for Rear Right
• Sensor modules are not included.

🔵 © ISUMO® Important Notes

• For vehicles equipped with Blind Spot Detection / Side Blind Zone Alert only.
• Wire colors may vary.
• Verify the connector shape and 8-terminal configuration before purchasing.
• Installation requires cutting and splicing the vehicle wiring. Match every circuit and terminal position carefully.
• Use weather-sealed connections and automotive-grade heat-shrink tubing.
• Replacing the connector will not repair a failed sensor module or damaged wiring elsewhere in the system. Proper diagnosis is recommended.
• Professional installation is recommended.

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