OBD Guide

P30BD

Engine Stall Prevention Active Signal Message Counter Incorrect

P30BD is an OBD-II diagnostic trouble code meaning: Engine Stall Prevention Active Signal Message Counter Incorrect. Common causes: malfunction of sensors related to stall prevention, problems in the data transmission circuit (can bus). Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • The engine stalls at the wrong time
  • Check Engine light comes on
  • Reduced engine power
  • Dips during acceleration

Causes

  • Malfunction of sensors related to stall prevention
  • Problems in the data transmission circuit (CAN bus)
  • ECU software failures
  • Wiring harness damage
  • Temporary disturbances in the electrical system

How to Fix

  1. Check the status of sensors associated with the stall prevention system
  2. Diagnose the CAN bus for data transmission errors
  3. Update ECU software
  4. Check the integrity of the wiring harness and connections
  5. Test the system after repair

Related codes

FAQ

What does the P30BD code mean?

P30BD is an OBD-II diagnostic trouble code that indicates: Engine Stall Prevention Active Signal Message Counter Incorrect

What causes a P30BD error code?

The most common causes of P30BD include: Malfunction of sensors related to stall prevention; Problems in the data transmission circuit (CAN bus); ECU software failures; Wiring harness damage.

How do I fix a P30BD diagnostic trouble code?

To fix P30BD: Check the status of sensors associated with the stall prevention system. Diagnose the CAN bus for data transmission errors. Update ECU software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P30BD?

Yes, but get it checked soon

How much does it cost to fix P30BD?

The estimated repair cost for P30BD is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat