A fuel pump that runs continuously can overheat. More concerning, it means the pump cannot be shut off by the ECM in an accident.

What does fuel pump secondary circuit mean?

The secondary circuit is the feedback or monitoring circuit that tells the ECM the fuel pump is actually running.

P0232

Medium Severity

Fuel System

Fuel pump circuit voltage is higher than expected.

Common Fix

Replace fuel pump relay

Estimated Cost (DIY)

$10 - $30

Short circuit in fuel pump wiringlikely

Faulty fuel pump relay stuck onpossible

ECM driver issueunlikely

Need to read or clear this code?

Is P0232 dangerous?: A fuel pump that runs continuously can overheat. More concerning, it means the pump cannot be shut off by the ECM in an accident.
What does fuel pump secondary circuit mean?: The secondary circuit is the feedback or monitoring circuit that tells the ECM the fuel pump is actually running.

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