P16DC Code - Electric Vacuum Pump Relay 2 Stuck On
Quick Answer
The Powertrain Control Module (PCM) monitors the Electric Vacuum Pump Relay 2. Common causes include Faulty Electric Vacuum Pump Relay 2, Electric Vacuum Pump Relay 2 harness is open or shorted, Electric Vacuum Pump Relay 2 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P16DC indicates Electric Vacuum Pump Relay 2 Stuck On.
- Common causes
- Common causes include Faulty Electric Vacuum Pump Relay 2, Electric Vacuum Pump Relay 2 harness is open or shorted, Electric Vacuum Pump Relay 2 circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P16DC Description
What are the Possible Causes of the DTC P16DC?
- Faulty Electric Vacuum Pump Relay 2
- Electric Vacuum Pump Relay 2 harness is open or shorted
- Electric Vacuum Pump Relay 2 circuit poor electrical connection
How to Fix the DTC P16DC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P16DC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P16DC code?
Need more information on how to fix the P16DC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P16DC code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P16DC Acura — Electric Vacuum Pump Relay 2 Stuck On
- P16DC Buick — Battery Module Monitor Timer Performance
- P16DC Cadillac — Battery Module Monitor Timer Performance
- P16DC Chevrolet — Battery Module Monitor Timer Performance
- P16DC GMC — Battery Module Monitor Timer Performance
- P16DC Honda — Electric Vacuum Pump Relay 2 Stuck On
Frequently Asked Questions about P16DC Code
1. What are the common symptoms of OBDII code P16DC (Electric Vacuum Pump Relay 2 Stuck On)?
- Common symptoms include the continuous operation of the electric vacuum pump, illuminated Check Engine Light, and potential loss of power brake assist.
2. What can cause the OBDII code P16DC to trigger?
- The code P16DC may be triggered by a faulty electric vacuum pump relay, a wiring issue, or a malfunction in the vacuum pump itself.
3. How do I diagnose the cause of OBDII code P16DC?
- Diagnosing the cause of P16DC involves checking the electric vacuum pump relay, inspecting the wiring for any damage, and testing the vacuum pump for proper operation.
4. Can I drive my vehicle with the OBDII code P16DC present?
- It is not recommended to drive your vehicle with the P16DC code present, as it can lead to potential brake assist issues and compromise driving safety.
5. How can I repair OBDII code P16DC?
- Repairing the P16DC code may involve replacing the electric vacuum pump relay, repairing any damaged wiring, or replacing the vacuum pump if necessary.
6. Will resetting the OBDII code P16DC make it go away permanently?
- Resetting the code may clear the Check Engine Light temporarily, but if the underlying issue causing P16DC is not addressed, the code is likely to return.
7. Is it safe to continue driving if the Check Engine Light is on due to code P16DC?
- It is not recommended to continue driving if the Check Engine Light is on due to P16DC, as it can indicate potential brake assist problems that compromise safety.
8. Can a DIY enthusiast fix the OBDII code P16DC issue at home?
- Depending on your skill level and access to tools, a DIY enthusiast may be able to address the P16DC issue by replacing the electric vacuum pump relay or checking the wiring.
9. How much does it typically cost to repair OBDII code P16DC at a mechanic's shop?
- The cost of repairing P16DC at a mechanic's shop can vary depending on the exact cause of the issue, but it may range from $200 to $500 or more.
10. Are there any preventive measures to avoid OBDII code P16DC in the future?
- Regular maintenance, such as checking the brake system and vacuum pump components, can help prevent issues that may trigger the P16DC code.
Discuss the causes and fixes for P16DC OBDII Code
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