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2016 TESLA MODEL S
75 kWh Dual Motor AWD•AWD•AUTOMATIC•ev
10 active safety recalls on this vehicle — view recalls
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Repairs0Labor317Torque3020Fluid5DTC1479Battery1Maintenance0Recalls10
P0662low severityPowertrain

Intake Manifold Tuning Valve Control Circuit High Bank 1

on 2016 Tesla Model S 75 kWh Dual Motor AWD · AWD

What this code means

The PCM detected a high voltage condition in the intake manifold tuning valve control circuit on bank 1. This valve controls intake runner tuning.

Symptoms

  • Check engine light on
  • Reduced power
  • Poor performance

Common causes

  • Short to voltage in wiring
  • Faulty tuning valve solenoid
  • Corroded connector
  • Faulty PCM

Diagnostic steps

  1. Scan for codes
  2. Inspect wiring for shorts to power
  3. Test solenoid resistance
  4. Check control circuit voltage
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