Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
Your car's computer and the part that helps start the engine in cold weather aren't talking to each other properly.
This code indicates that there is an issue with the communication between the Glow Plug Control Module 2 and the Powertrain Control Module (PCM).
The PCM monitors the communication circuit of the Glow Plug Control Module 2. If it detects an out-of-range or performance issue, it triggers the P06FD code. This can affect the engine's ability to start, especially in cold conditions.
• Difficulty starting the engine in cold weather
• Check Engine Light is on
• Reduced engine performance
• Faulty Glow Plug Control Module 2
• Wiring issues in the communication circuit
• PCM malfunction
PCM: Powertrain Control Module
Glow Plug: A device used to heat the engine cylinders to aid starting in cold conditions.
• Check for any other related codes and address them first.
• Inspect the wiring and connectors for the Glow Plug Control Module 2.
• Test the Glow Plug Control Module 2 for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the Glow Plug Control Module 2 if faulty.
• Reprogram or replace the PCM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-250
• Chevrolet Silverado
• Dodge Ram 2500
• Regularly inspect and maintain the vehicle's electrical system.
• Ensure connectors are clean and secure.
• Use quality parts for replacements.
Communication Issue
• Have the code diagnosed and repaired by a professional.
• Avoid driving in extremely cold conditions until repaired.
Check with the vehicle manufacturer for any applicable warranties on emission-related components.
This code has been associated with diesel engines that rely on glow plugs for cold starts. It is more common in colder climates.
Moderate – It can affect starting in cold weather, so it should be addressed soon.
Ignoring this issue may lead to starting problems and increased emissions.
• Engine cold start
• Ambient temperature below freezing
The Glow Plug Control Module is typically located near the engine, often mounted on the engine block or firewall.
Q: What happens if I ignore this code?
A: Ignoring this code can lead to difficulty starting the engine in cold weather and may cause further damage.
Q: Can I drive with this code?
A: You can drive with this code, but it is recommended to repair it soon to avoid starting issues.
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