OBD Guide
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P1B01

Drive Motor 2 Control Module Programmable Logic Device Security Code

P1B01 is an OBD-II diagnostic trouble code meaning: Drive Motor 2 Control Module Programmable Logic Device Security Code. Common causes: control module software failure, problems with communication between modules. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Problems with switching operating modes of the hybrid system
  • Speed limit
  • Unstable engine operation

Causes

  • Control module software failure
  • Problems with communication between modules
  • Wiring harness damage
  • Contact corrosion
  • Unauthorized access to the system

How to Fix

  1. Check connections and wiring harness
  2. Diagnose the control module using a scanner
  3. Reprogram the control module
  4. If necessary, replace the control module

Related codes

P1B00P1B02P1B03

FAQ

What does the P1B01 code mean?

P1B01 is an OBD-II diagnostic trouble code that indicates: Drive Motor 2 Control Module Programmable Logic Device Security Code

What causes a P1B01 error code?

The most common causes of P1B01 include: Control module software failure; Problems with communication between modules; Wiring harness damage; Contact corrosion.

How do I fix a P1B01 diagnostic trouble code?

To fix P1B01: Check connections and wiring harness. Diagnose the control module using a scanner. Reprogram the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1B01?

Limited driving only, diagnose soon

How much does it cost to fix P1B01?

The estimated repair cost for P1B01 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat