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2020 S60 T5 - No Start Condition, no crank, just clicks

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Diana O. · rep 0 · May 22, 5:11 AM · 1 replies · solved · Question

Vehicle: 2020 Volvo S60 T5 Momentum

Hi all,

I'm having a major issue with my 2020 Volvo S60 T5, which has about 40,000 miles on it. This morning, I tried to start it, and all I get is a single click from under the hood, and then nothing. No crank, no engine turnover, just that one click. All the dash lights come on, and the infotainment system seems fine.

I've tried both key fobs, and neither makes a difference. The battery is relatively new, replaced about 8 months ago, and I checked the terminals – they seem clean and tight. I even tried to jump-start it, but still, just the click.

Could this be a starter issue, or perhaps something with the immobilizer? I'm really stumped and need my car for work. Any ideas on what to check next?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:11 AM

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ClearTheCode admin answer:

A single click with no crank, despite dash lights and infotainment working, often points to a high current draw issue or a problem with the starting circuit. Here's a diagnostic approach:

  1. Battery Load Test: Even if the battery is relatively new and shows good voltage, it might not have enough cold cranking amps (CCA) under load. A jump start should bypass a weak battery, but if the cables aren't making good contact or the donor battery isn't strong enough, it might not work. Have the battery professionally load tested.
  2. Starter Motor: The single click is a classic symptom of a failing starter solenoid or the starter motor itself. The solenoid might be engaging but not sending power to the motor, or the motor itself is seized or has worn brushes. This is a very strong candidate given your description.
  3. Starter Relay/Fuse: Check the starter relay in the fuse box (consult your owner's manual for location) and any associated fuses. A faulty relay or blown fuse could prevent the starter from receiving power.
  4. Ground Connections: Ensure all ground connections, especially from the battery to the chassis and engine block, are clean and secure. A poor ground can prevent the high current needed for starting.
  5. Immobilizer System: While less likely with a single click (usually an immobilizer prevents fuel/spark, not cranking), it's worth noting. If the immobilizer was preventing the start, you'd typically see a specific warning light on the dash, and often no click at all.

When to See a Shop:

  • If a battery load test confirms the battery is good, and you've checked fuses/relays without success.
  • Diagnosing and replacing a starter motor can be complex, especially on modern Volvos, due to access and potential coding requirements. It's best left to a professional technician.
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