Error code

OBD2 P0352

OBD2P0352
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Ignition Coil 'B' Primary/Secondary Circuit.

Severity

moderateCan drive, but may experience poor performance and potential damage to other components.

Summary

P0352 indicates an issue with the ignition coil 'B' primary/secondary circuit malfunction in the engine's ignition system.

Symptoms

  • Illuminated check engine light
  • Ignition misfire

Common Causes

  • Faulty ignition coil
  • Problem in the ignition coil circuit
  • Issue with the PCM

Diagnosis

  1. Visually inspect the coil pack and its connector for broken wires or corrosion.
  2. Swap coil packs between cylinders to identify faulty coils.
  3. Test the coil resistance with a digital multimeter.
  4. Check if the coil is receiving power using a test light or multimeter.
  5. Test the PCM control circuit continuity.

Fixes

  • Replace the faulty ignition coil and/or repair wiring issues.

FAQ

What does P0352 mean?

P0352 indicates a malfunction in the primary/secondary circuit of ignition coil 'B'.

How do I diagnose P0352?

Diagnose by visually inspecting, swapping coils, testing resistance and power supply.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.