OBD Guide
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P16FB

Control Module Speed Signal Analog to Digital Converter Performance

P16FB is an OBD-II diagnostic trouble code meaning: Control Module Speed Signal Analog to Digital Converter Performance. Common causes: control module malfunction, problems with wiring to the speed sensor. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Incorrect speedometer readings
  • Engine transition to emergency mode
  • Problems with cruise control
  • Check Engine Light Illuminates

Causes

  • Control module malfunction
  • Problems with wiring to the speed sensor
  • Speed sensor malfunction
  • Contact corrosion
  • Control module power problems

How to Fix

  1. Check the integrity of the wiring to the speed sensor
  2. Check the operation of the speed sensor
  3. Check contacts and connectors of the control module
  4. Scan the control module for other errors
  5. If necessary, replace the control module

Related codes

P0500P0501P0502

FAQ

What does the P16FB code mean?

P16FB is an OBD-II diagnostic trouble code that indicates: Control Module Speed Signal Analog to Digital Converter Performance

What causes a P16FB error code?

The most common causes of P16FB include: Control module malfunction; Problems with wiring to the speed sensor; Speed sensor malfunction; Contact corrosion.

How do I fix a P16FB diagnostic trouble code?

To fix P16FB: Check the integrity of the wiring to the speed sensor. Check the operation of the speed sensor. Check contacts and connectors of the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16FB?

Limited driving only, diagnose soon

How much does it cost to fix P16FB?

The estimated repair cost for P16FB is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat