OBD Guide

P2D77

Battery Charger Control Module B Performance

P2D77 is an OBD-II diagnostic trouble code meaning: Battery Charger Control Module B Performance. Common causes: charge control module b fault, problems with electrical connections. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Reduced vehicle power
  • Warning indicator on the dashboard
  • Battery charging problems
  • Reduced performance of the hybrid system
  • The car goes into emergency mode

Causes

  • Charge control module B fault
  • Problems with electrical connections
  • Open or short circuit in the circuit
  • Module software error
  • Wiring harness damage

How to Fix

  1. Check module electrical connections
  2. Test Charge Control Module B
  3. Check the integrity of the wiring harness
  4. Update module software
  5. Replace charging control module B if necessary

Related codes

Error P2D77 by Vehicle Brand

FAQ

What does the P2D77 code mean?

P2D77 is an OBD-II diagnostic trouble code that indicates: Battery Charger Control Module B Performance

What causes a P2D77 error code?

The most common causes of P2D77 include: Charge control module B fault; Problems with electrical connections; Open or short circuit in the circuit; Module software error.

How do I fix a P2D77 diagnostic trouble code?

To fix P2D77: Check module electrical connections. Test Charge Control Module B. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D77?

Limited driving only, diagnose soon

How much does it cost to fix P2D77?

The estimated repair cost for P2D77 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

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