OBD Guide
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B29C1

Electric Vehicle Supply Equipment

B29C1 is an OBD-II diagnostic trouble code meaning: Electric Vehicle Supply Equipment. Common causes: damage to the charging cable or connector, charger fault. Estimated repair cost: $56–556.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–556 (est.)

Symptoms

  • Failed charging attempts
  • Interrupting the charging process
  • Error message on the instrument panel
  • Charging power limitation

Causes

  • Damage to the charging cable or connector
  • Charger fault
  • Problems with onboard peripherals eg.
  • Worn contacts in the charging connector
  • Software problems

How to Fix

  1. Check the charging cable and connector for damage
  2. Try a different charger
  3. Diagnose the on-board charging system
  4. Check the condition of the contacts in the connector
  5. Update system software
  6. Replace damaged components

FAQ

What does the B29C1 code mean?

B29C1 is an OBD-II diagnostic trouble code that indicates: Electric Vehicle Supply Equipment

What causes a B29C1 error code?

The most common causes of B29C1 include: Damage to the charging cable or connector; Charger fault; Problems with onboard peripherals eg.; Worn contacts in the charging connector.

How do I fix a B29C1 diagnostic trouble code?

To fix B29C1: Check the charging cable and connector for damage. Try a different charger. Diagnose the on-board charging system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B29C1?

Yes, but get it checked soon

How much does it cost to fix B29C1?

The estimated repair cost for B29C1 is $56–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat