P0616 Code - Starter Relay Control Circuit Low Voltage
Quick Answer
When the ignition switch is placed in the START position, a discrete signal is supplied to the Body Control Module (BCM) notifying it that the ignition is in the START position. Common causes include Faulty Starter Relay, Starter Relay harness is open or shorted, Starter Relay 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
- P0616 indicates Starter Relay Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Starter Relay, Starter Relay harness is open or shorted, Starter Relay 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 P0616 Description
What are the Possible Causes of the DTC P0616?
- Faulty Starter Relay
- Starter Relay harness is open or shorted
- Starter Relay circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0616?
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 P0616 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
- P0616 Acura — Starter Cut Relay Diagnosis Circuit Low Voltage
- P0616 Buick — Starter Relay Control Circuit Low Voltage
- P0616 Cadillac — Starter Relay Control Circuit Low Voltage
- P0616 Chevrolet — Starter Relay Control Circuit Low Voltage
- P0616 Chrysler — Starter Control Circuit Low
- P0616 Dodge — Starter Control Circuit Low
- P0616 GMC — Starter Relay Control Circuit Low Voltage
- P0616 Honda — Starter Cut Relay Diagnosis Circuit Low Voltage
- P0616 Infiniti — Starter Relay Circuit Low
- P0616 Jeep — Starter Control Circuit Low
- P0616 Nissan — Starter Relay Circuit Low
- P0616 RAM — Starter Control Circuit Low
- P0616 Suzuki — Starter Relay Circuit Short To Ground
Frequently Asked Questions about P0616 Code
1. What are the common symptoms of OBDII code P0616 (Starter Relay Control Circuit Low Voltage)?
- Common symptoms include difficulty starting the vehicle, intermittent starting issues, and the engine not cranking or turning over.
2. What are the potential causes of OBDII code P0616?
- Possible causes include a faulty starter relay, damaged wiring or connectors in the starter relay circuit, low battery voltage, or a defective engine control module (ECM).
3. How can I diagnose the cause of OBDII code P0616?
- Diagnose the code by checking the condition of the starter relay, inspecting the wiring and connectors for damage, testing the battery voltage, and performing a thorough ECM scan for other related issues.
4. Can I still drive my vehicle with OBDII code P0616 present?
- It is not recommended to drive the vehicle with this code active, as it may lead to potential starting problems or engine damage. It is best to address the issue promptly.
5. How do I repair OBDII code P0616?
- Repair options include replacing the faulty starter relay, repairing damaged wiring or connectors, ensuring proper battery voltage, and potentially replacing the ECM if deemed necessary.
6. Are there any DIY tips for troubleshooting OBDII code P0616?
- DIY tips include checking for loose or corroded connections in the starter relay circuit, testing the battery voltage, and consulting the vehicle's repair manual for specific troubleshooting steps.
7. What happens if OBDII code P0616 is ignored?
- Ignoring this code can lead to further starting issues, potential stalling of the engine, and increased risk of being stranded due to the vehicle not starting.
8. Can a faulty ignition switch cause OBDII code P0616?
- While a faulty ignition switch is not a common cause of P0616, it can contribute to starting issues and should be inspected as part of the diagnostic process.
9. Will replacing the starter fix OBDII code P0616?
- Simply replacing the starter may not resolve P0616. It is important to diagnose the exact cause of the code to ensure that the correct component is repaired or replaced.
10. How long does it take to repair OBDII code P0616?
- The repair time for P0616 can vary depending on the exact cause of the issue, but it typically takes a few hours to a full day for diagnosis and repair by a qualified mechanic.
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