P0352 - Ignition Coil B Primary/Secondary Circuit

Ignition coil B primary or secondary circuit fault detected.

Code Overview

Ignition coil B primary or secondary circuit fault detected.

Common Causes

• Failed ignition coil
• Coil wiring issue
• Poor connector fit
• PCM driver issue (rare)

Diagnostic Steps

1. Swap the coil if the design allows
2. Inspect the coil connector and boot
3. Check for cylinder-specific misfire companions

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.