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OBD-II Code Jaguar

P1146 — Jaguar — Alternator Charge Circuit Low

The ECU detects a low charging output from the alternator.

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

What does code P1146 mean on Jaguar vehicles?

The ECU detects a low charging output from the alternator.

Common symptoms

  • Battery discharging
  • warning light on

Possible causes

  • Faulty alternator
  • loose or worn drive belt

Initial recommendation

Inspect charging system, alternator output, and drive belt condition.

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 P1146 with your vehicle's actual symptoms for more complete diagnostic guidance.

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