OBD Guide

B1445

Control Module Voltage Output Circuit

B1445 is an OBD-II diagnostic trouble code meaning: Control Module Voltage Output Circuit. Common causes: open or short circuit in wiring harness, control module malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of the system associated with the control module
  • The malfunction lamp on the dashboard lights up
  • Lost communication with control module

Causes

  • Open or short circuit in wiring harness
  • Control module malfunction
  • Power problems (low or high voltage)
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the wiring harness for damage or corrosion.
  2. Check the voltage on the control module output circuit
  3. Check connectors for poor contact
  4. Replace the control module if necessary

Related codes

FAQ

What does the B1445 code mean?

B1445 is an OBD-II diagnostic trouble code that indicates: Control Module Voltage Output Circuit

What causes a B1445 error code?

The most common causes of B1445 include: Open or short circuit in wiring harness; Control module malfunction; Power problems (low or high voltage); Corrosion or poor contact in connectors.

How do I fix a B1445 diagnostic trouble code?

To fix B1445: Check the wiring harness for damage or corrosion.. Check the voltage on the control module output circuit. Check connectors for poor contact. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1445?

Limited driving only, diagnose soon

How much does it cost to fix B1445?

The estimated repair cost for B1445 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat