U1900 Fault Code — CAN Communication Receive Error from ECM

Severity: 🟠 High — diagnose within 1–2 days

Receiving module reporting bad CAN data from ECM.

Common Symptoms

Common Causes

How We Fix It

ECU CAN transceiver test, wiring diagnosis.

Frequently Asked Questions

What does U1900 mean?

U1900 (CAN Communication Receive Error from ECM) means Receiving module reporting bad CAN data from ECM. Common symptoms include multiple module warnings, instrument cluster errors.

How much does U1900 repair cost in Hyderabad?

At GarageNation Hyderabad, we diagnose U1900 with dealer-grade scan tools and provide a fixed quote before any work begins. Call +91 8106316369 for an estimate.

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