P06C7 Cylinder 3 Glow Plug Incorrect

Definition: The OBD2 code P06C7 indicates that there is an issue with the glow plug circuit in cylinder 3 of a diesel engine. This could be due to a faulty glow plug, wiring issues, or problems with the control module.

p06c7 – Cylinder 3 Glow Plug Incorrect

Typical Severity: Moderate

Common Causes

p06c7 – Cylinder 3 Glow Plug Incorrect

• Defective glow plug in cylinder 3
• Wiring issues related to the glow plug circuit in cylinder 3
• Faulty glow plug control module
• Issues with the engine control module (ECM) affecting the glow plug operation in cylinder 3

Common Misdiagnosis

OBD2 Code: P06C7

Description: Cylinder 3 Glow Plug Incorrect

Common Misdiagnosis: Replacing the glow plug without checking the wiring or control module.

Common Diagnostic Steps

OBD2 Code: P06C7

Description: Cylinder 3 Glow Plug Incorrect

Common Diagnostic Steps:

• Verify the code using an OBD2 scanner and clear it to see if it returns.
• Inspect the glow plug for cylinder 3 for physical damage or wear.
• Check the wiring and connectors leading to cylinder 3’s glow plug for any signs of corrosion, damage, or disconnection.
• Test the resistance of the glow plug with a multimeter to ensure it is within manufacturer specifications.
• Examine the glow plug control module for faults or malfunctions.
• If applicable, update the vehicle’s ECU software to address any known issues related to this code.
• If necessary, replace the faulty glow plug and retest to confirm resolution of the issue.