Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer did a self-check and found a problem when it tried to restart itself. It's like when your tablet restarts and shows an error message.
The control module in the vehicle performs a self-test to ensure all systems are functioning correctly. A warm reset power-on reset indicates that the module detected an issue during this process.
The P16D6 code is triggered when the vehicle's control module, which manages various engine and transmission functions, performs a self-test and identifies an error during a warm reset. This typically involves the module checking its own memory and operational state after a restart.
• Check Engine Light is on
• Intermittent starting problems
• Unusual vehicle performance
• Faulty control module
• Software glitch in the module
• Electrical issue or short circuit
Control Module: A computer in the vehicle that manages engine and transmission functions.
Warm Reset: A type of restart that occurs without shutting down the entire system.
• Scan the vehicle for additional OBD-II codes.
• Inspect the control module and its connections.
• Perform a software update or reset on the control module.
• Reprogram or update the control module software.
• Repair or replace faulty wiring or connectors.
• Replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Diagnostic software tool
$200 - $1000
Moderate
• Chevrolet Malibu
• Buick Encore
• GMC Terrain
• Regularly update vehicle software.
• Maintain clean and secure electrical connections.
• Avoid aftermarket modifications that affect the control module.
Control Module Issue
• Have the vehicle inspected by a professional.
• Avoid driving extensively until the issue is resolved.
Check with your dealer; control module issues may be covered under powertrain warranty.
This code has been associated with software glitches in newer vehicle models.
Moderate – Should be addressed to prevent further issues.
Driving with a malfunctioning control module can affect vehicle safety and emissions.
• Vehicle must be at operating temperature.
• Perform tests in a controlled environment.
The control module is usually located under the dashboard or in the engine bay.
Q: Can I drive with a P16D6 code?
A: It's not recommended as it may lead to further issues.
Q: How do I reset the control module?
A: A professional can reset it using a diagnostic tool.
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