OBD-II Code Jaguar

P1606 — Jaguar — Engine Control Relay Malfunction

The ECU detects a malfunction in the main engine control relay circuit.

Brand Jaguar
System Electrical System
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1606 mean on Jaguar vehicles?

The ECU detects a malfunction in the main engine control relay circuit.

Common symptoms

  • Engine stalling
  • sudden shutdowns

Possible causes

  • Faulty engine control relay

Initial recommendation

Replace the engine control relay and verify proper power supply.

Safety notice

This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine Jaguar code P1606 with your vehicle's actual symptoms for more complete diagnostic guidance.

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