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2021 HYUNDAI TUCSON
2.5L I4•AWD•AUTOMATIC•gas
1 active safety recall on this vehicle — view recalls
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Repairs425Labor501Torque3434Fluid9DTC1092Battery1Maintenance0Recalls1
P1295high severityPowertrain

Electronic Throttle System Circuit Malfunction

on 2021 Hyundai Tucson 2.5L I4 · AWD

What this code means

The PCM has detected an electrical circuit malfunction in the Electronic Throttle System. There is a wiring or connector fault in the circuit between the PCM and the electronic throttle body.

Symptoms

  • Check Engine Light
  • Reduced engine power
  • Throttle response delayed or limited
  • ETC warning light

Common causes

  • Damaged wiring in ETC harness
  • Corroded ETC connector pins
  • Poor ground connection for ETC system
  • Throttle body connector damage
  • Chafed wiring near engine components

Diagnostic steps

  1. Inspect ETC wiring harness for chafing, cuts, or heat damage
  2. Check all ETC connectors for corrosion or loose pins
  3. Test ETC circuit continuity from PCM to throttle body
  4. Verify ETC ground connections
  5. Check for TSBs related to wiring issues

Repair notes

Repair damaged wiring or connectors in the ETC circuit.

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