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What does code P0352 mean on a Lexus and is it safe to drive?

P0352: Ignition Coil B Primary/Secondary Circuit Malfunction. Here's what it means on your Lexus, what usually causes it, what repairs typically cost, and how safe it is to keep driving.

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What this code means

The PCM detected a fault in the primary or secondary circuit of ignition coil B (cylinder 2 coil). Causes, symptoms, and fixes are the same as P0351 but affect cylinder 2.

Common causes for your Lexus

  • Failed ignition coil on cylinder 2
  • Fouled or worn spark plug on cylinder 2
  • Damaged coil wiring or connector
  • Faulty PCM driver circuit

Symptoms

  • Check Engine Light on or flashing
  • Rough idle / misfire on cylinder 2
  • Reduced power and fuel economy

Typical fixes

  • Replace ignition coil for cylinder 2
  • Replace spark plug on cylinder 2
  • Inspect coil wiring harness

Repair cost range

For a Lexus, repairs for P0352 often fall between $80 and $300, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.

Is it safe to keep driving your Lexus with this code?

For driving-safety guidance—how far you can go, when to tow, and what's urgent—see these checklists:

Browse P0352 on your Lexus by model year

Year-specific guides include Lexus-tailored causes and repair costs.

More codes for Lexus

View all OBD2 code guides for Lexus