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P068AECM or PCM Power Relay De-Energized Performance Too Early

⚙️ Powertrain (Motor y Transmisión)
Moderada

The main power relay drops out earlier than the calibrated post-run window allows. The ECU loses power before completing housekeeping (e.g. saving adaptions, parking the throttle), which causes adaptive learning to reset.

⚠️

Can I keep driving? With caution

You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.

Sistema Afectado

Motor · Powertrain

Vehículo despiece — Motor

La falla pertenece al grupo motopropulsor (motor y gestión electrónica).

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Symptoms You Will Notice

What you may observe when this code appears

  • Check engine light on Possible limp mode or no-start Multiple follow-up faults across modules Reset/relearn may be needed after repair

Possible Causes

The components or conditions that trigger this code

  • 1Relay coil weak - drops early
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How to Fix It — Step by Step

Recommended diagnostic and repair procedure

  1. 1Difficulty: medium. Estimated time: 0.5-1.8 hours. Estimated cost: €80-€
  2. 2DIY possible

Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.

Estimated Cost

Approximate range in USD (varies by region and shop)

$100$800

Varies by diagnosis

* Diagnosis only: $50–$150

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