AutoCodes - Generic - P0350

P0350 Code - Ignition Coil Primary/Secondary Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3
Table of contents

|P0350 code possible causes

  • Faulty Ignition Coil Primary/Secondary
  • Ignition Coil Primary/Secondary harness is open or shorted
  • Ignition Coil Primary/Secondary circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

|How do I fix the P0350 code?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|Cost of diagnosing the P0350 code

Labor: 1.0

The cost of diagnosing the P0350 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P0350 code detected?

The test fails when the Engine Control Module (ECM) does not receive a valid pulse signal from the ignition coil.

|What are P0350 code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of Power
  • Engine may be harder to start
  • Engine hesitation
  • Rough engine idle

|P0350 code description

The ignition signal from the Engine Control Module (ECM) is sent to and amplified by the power transistor. The power transistor turns ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil secondary circuit.
OBDII Code P0350 - Ignition Coil Primary/Secondary Circuit Malfunction - AutoCodes.com

|Need more information with the P0350 code?

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|P0350 code information for specific makes

|Need help with a P0350 code?

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|P0350 code comments

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Repair Importance Level: 3
 
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