P0699 Hyundai Code - Sensor Reference Voltage 'C' Circuit High
Quick Answer
The control module has internal 5-volt reference buses called "5-volt reference". Common causes include Faulty Engine Control Module (ECM), ECM harness is open or shorted, ECM 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
- P0699 Hyundai indicates Sensor Reference Voltage 'C' Circuit High.
- Common causes
- Common causes include Faulty Engine Control Module (ECM), ECM harness is open or shorted, ECM 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 P0699 Hyundai Description
What are the Possible Causes of the DTC P0699 Hyundai?
- Faulty Engine Control Module (ECM)
- ECM harness is open or shorted
- ECM circuit poor electrical connection
- Shorted sensor on 5 volt circuit
How to Fix the DTC P0699 Hyundai?
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 P0699 Hyundai 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 P0699 Hyundai code?
Need more information on how to fix the P0699 Hyundai code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0699 Hyundai code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0699 Hyundai Code
1. What does the OBDII code P0699 mean for a Hyundai?
P0699 indicates a high voltage issue in the Sensor Reference Voltage 'C' Circuit, which affects the operation of certain sensors.
2. What are common symptoms of the P0699 code on a Hyundai?
Symptoms may include the check engine light turning on, poor engine performance, erratic sensor readings, or difficulty starting the engine.
3. What causes the P0699 code to appear in a Hyundai?
Common causes include damaged wiring, a faulty sensor, a malfunctioning Engine Control Module (ECM), or poor electrical connections in the circuit.
4. Can the P0699 code affect fuel efficiency in a Hyundai?
Yes, inaccurate sensor readings can result in improper fuel-air mixture, leading to reduced fuel efficiency.
5. How do I diagnose the P0699 code on my Hyundai?
Use an OBDII scanner to confirm the code, then inspect the wiring, connectors, and sensors associated with the reference voltage 'C' circuit.
6. Is it safe to drive a Hyundai with the P0699 code?
Driving may be possible, but prolonged operation can lead to further engine issues or reduced performance. Immediate diagnosis and repair are recommended.
7. How can I fix the P0699 code on a Hyundai?
Repairs may involve replacing damaged wiring, fixing poor electrical connections, or replacing faulty sensors or the ECM.
8. Will resetting the code clear the P0699 issue permanently?
Resetting the code may temporarily clear it, but the underlying issue must be repaired to prevent the code from returning.
9. Which sensors are impacted by the P0699 code on a Hyundai?
The code affects sensors that rely on the Sensor Reference Voltage 'C' Circuit, such as pressure, temperature, or position sensors.
10. How much does it cost to repair a P0699 code on a Hyundai?
Repair costs vary depending on the cause, ranging from $50 for simple wiring fixes to over $500 if the ECM needs replacement.
Discuss the causes and fixes for P0699 Hyundai OBDII Code
Code P0699 Hyundai comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
