C1621 Code - Back Camera Power Supply Failure
Quick Answer
This Diagnostic Trouble Code (DTC) is stored if the television camera assembly judges that the signals or signal lines between the Navigation Receiver Assembly (for Navigation Receiver Type) or Radio and Display Receiver Assembly (for Radio and Display Type) and the Television Camera Assembly are not normal as a result of its self-check. Common causes include Faulty Television Camera Assembly, Television Camera Assembly harness is open or shorted, Television Camera Assembly 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
- C1621 indicates Back Camera Power Supply Failure.
- Common causes
- Common causes include Faulty Television Camera Assembly, Television Camera Assembly harness is open or shorted, Television Camera Assembly 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 C1621 Description
What are the Possible Causes of the DTC C1621?
- Faulty Television Camera Assembly
- Television Camera Assembly harness is open or shorted
- Television Camera Assembly circuit poor electrical connection
- Faulty Navigation Receiver Assembly (for Navigation Receiver Type)
- Faulty Radio and Display Receiver Assembly (for Radio and Display Type)
How to Fix the DTC C1621?
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 C1621 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.
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Information for Specific Makes
- C1621 Infiniti — 4-Wheel Active Steer Front Actuator
- C1621 Lexus — Back Camera Power Supply Failure
- C1621 Mitsubishi — All Wheel Control Actuator Protection 2
- C1621 Nissan — 4-Wheel Active Steer Front Actuator
- C1621 Toyota — Back Camera Power Supply Failure
Frequently Asked Questions about C1621 Code
1. What does the OBDII code C1621 mean?
C1621 indicates a Back Camera Power Supply Failure, meaning the vehicle's back-up camera is not receiving proper power or has a related circuit issue.
2. What are the common symptoms of code C1621?
Typical symptoms include the back-up camera not turning on, a blank or distorted rearview display, or a warning message on the dashboard.
3. What causes the C1621 code to appear?
The code can be triggered by a blown fuse, damaged wiring, a faulty back-up camera, or a malfunctioning power supply circuit.
4. Can a weak battery cause the C1621 code?
Yes, a weak or failing battery can disrupt the power supply to the camera and trigger the C1621 code.
5. How do I diagnose the cause of the C1621 code?
Start by checking the fuse for the back-up camera circuit, inspecting wiring for damage or disconnections, and testing the camera's power supply with a multimeter.
6. Is the back-up camera itself always the problem with C1621?
No, the issue could also stem from wiring, connectors, or the power supply circuit, not just the camera.
7. How can I fix the C1621 code?
Repair or replace damaged wiring, ensure all connectors are secure, replace a blown fuse, or replace the back-up camera if it's faulty.
8. Can I drive with the C1621 code?
Yes, but the back-up camera may not function, which could reduce parking safety and visibility.
9. How much does it cost to fix the C1621 code?
Repair costs vary depending on the issue but can range from $50 for a fuse replacement to $500 or more for a new back-up camera and installation.
10. Will clearing the C1621 code fix the issue?
Clearing the code without addressing the underlying problem will not resolve the issue, and the code will likely return.
Discuss the causes and fixes for C1621 OBDII Code
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