OBD Guide

P16A5

Time Out Control Module Output Bus

P16A5 is an OBD-II diagnostic trouble code meaning: Time Out Control Module Output Bus. Common causes: open or short circuit in wiring harness, malfunction of one of the electronic modules. Estimated repair cost: $17–222.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–222 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Power Loss
  • Gear shifting problems (for automatic transmissions)
  • Failure of some electronic systems

Causes

  • Open or short circuit in wiring harness
  • Malfunction of one of the electronic modules
  • Module power problems
  • Corrosion of contacts in connectors
  • Software error in the module

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the power supply and ground of the module
  3. Scan all modules for additional errors
  4. Update module software
  5. If necessary, replace the faulty module

Related codes

FAQ

What does the P16A5 code mean?

P16A5 is an OBD-II diagnostic trouble code that indicates: Time Out Control Module Output Bus

What causes a P16A5 error code?

The most common causes of P16A5 include: Open or short circuit in wiring harness; Malfunction of one of the electronic modules; Module power problems; Corrosion of contacts in connectors.

How do I fix a P16A5 diagnostic trouble code?

To fix P16A5: Check the integrity of the wiring harness and connectors. Check the power supply and ground of the module. Scan all modules for additional errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16A5?

Yes, but get it checked soon

How much does it cost to fix P16A5?

The estimated repair cost for P16A5 is $17–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat