P16BD Honda Code - Starter Cut Relay 2 Malfunction
Quick Answer
To prevent the starter from continuing to rotate due to a switching failure of the starter cut relay, two starter cut relays are connected in series. Common causes include Faulty Starter Cut Relay 2, Starter Cut Relay 2 harness is open or shorted, Starter Cut 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
- P16BD Honda indicates Starter Cut Relay 2 Malfunction.
- Common causes
- Common causes include Faulty Starter Cut Relay 2, Starter Cut Relay 2 harness is open or shorted, Starter Cut 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 P16BD Honda Description
When the input voltage of the STRLD terminal drops to a set voltage even when the starter cut relay output (STRLY) is turned off, the Powertrain Control Module (PCM) detects a malfunction of starter cut relay 2 (ST CUT) and a DTC is stored.
What are the Possible Causes of the DTC P16BD Honda?
- Faulty Starter Cut Relay 2
- Starter Cut Relay 2 harness is open or shorted
- Starter Cut Relay 2 circuit poor electrical connection
How to Fix the DTC P16BD Honda?
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 P16BD Honda 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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Frequently Asked Questions about P16BD Honda Code
1. What does the OBDII code P16BD mean on a Honda?
P16BD indicates a "Starter Cut Relay 2 Malfunction," meaning the vehicle's ECU has detected an issue with the starter cut relay circuit or its operation.
2. What are the symptoms of a P16BD code on a Honda?
Common symptoms include difficulty starting the engine, the engine not cranking, or intermittent starting issues.
3. What causes the P16BD code to appear?
The code can be triggered by a faulty starter cut relay, damaged wiring or connections in the relay circuit, or an issue with the vehicle's ECU.
4. Can a P16BD code cause the car not to start?
Yes, the malfunction in the starter cut relay circuit may prevent the engine from cranking, making it impossible to start the car.
5. How do you diagnose a P16BD code?
Diagnosis involves checking the starter cut relay for proper operation, inspecting related wiring and connectors for damage or corrosion, and testing the ECU for possible faults.
6. Can I drive with a P16BD code on my Honda?
If the car starts and runs, it may still drive, but the issue could worsen over time. If the vehicle won’t start, it will need to be repaired before driving.
7. How do you fix a P16BD code on a Honda?
Repairs may include replacing the starter cut relay, repairing damaged wiring or connectors, or reprogramming or replacing the ECU if necessary.
8. How much does it cost to fix a P16BD code?
The repair cost depends on the exact cause. Replacing a starter cut relay typically costs $50–$150, while wiring repairs or ECU replacement can be more expensive.
9. Can a weak battery cause the P16BD code?
While uncommon, a weak or failing battery could cause voltage-related issues that might affect the starter cut relay's operation.
10. Do I need to clear the P16BD code after repairs?
Yes, after completing repairs, you should clear the code using an OBDII scanner and verify that it doesn’t return during a test drive.
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