OBD Guide
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C1417

High Power Supply Voltage Malfunction

C1417 is an OBD-II diagnostic trouble code meaning: High Power Supply Voltage Malfunction. Common causes: generator malfunction, problems with the voltage regulator. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Dashboard flashing or turning off
  • Unstable engine operation
  • Overheating of electronic components
  • Battery warning light comes on

Causes

  • Generator malfunction
  • Problems with the voltage regulator
  • Short circuit in wiring harness
  • Damaged or oxidized contacts
  • Malfunction of the control unit (ECU)

How to Fix

  1. Check the voltage at the battery terminals with the engine running
  2. Inspect the wiring harness for damage or corrosion.
  3. Check generator and voltage regulator
  4. Replace faulty components
  5. Clean or replace damaged contacts

Related codes

P0562P0563P0620

FAQ

What does the C1417 code mean?

C1417 is an OBD-II diagnostic trouble code that indicates: High Power Supply Voltage Malfunction

What causes a C1417 error code?

The most common causes of C1417 include: Generator malfunction; Problems with the voltage regulator; Short circuit in wiring harness; Damaged or oxidized contacts.

How do I fix a C1417 diagnostic trouble code?

To fix C1417: Check the voltage at the battery terminals with the engine running. Inspect the wiring harness for damage or corrosion.. Check generator and voltage regulator. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1417?

Limited driving only, diagnose soon

How much does it cost to fix C1417?

The estimated repair cost for C1417 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat