OBD Guide

P16F0

Control Module Serial Peripheral Interface Bus 1

P16F0 is an OBD-II diagnostic trouble code meaning: Control Module Serial Peripheral Interface Bus 1. Common causes: open or short circuit in spi circuit, control module malfunction. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine Light Is On
  • Malfunctions of the car's electronic systems
  • Loss of communication between control modules
  • Unstable engine operation
  • Problems with diagnostics via OBD-II

Causes

  • Open or short circuit in SPI circuit
  • Control module malfunction
  • Problems with power supply of electronic modules
  • Corrosion of contacts in connectors
  • Software errors in the control module

How to Fix

  1. Check the integrity of the SPI wiring harness
  2. Inspect and clean connector contacts
  3. Check the power supply to the control module
  4. Flash or update module software
  5. Replace the faulty control module if necessary

Related codes

FAQ

What does the P16F0 code mean?

P16F0 is an OBD-II diagnostic trouble code that indicates: Control Module Serial Peripheral Interface Bus 1

What causes a P16F0 error code?

The most common causes of P16F0 include: Open or short circuit in SPI circuit; Control module malfunction; Problems with power supply of electronic modules; Corrosion of contacts in connectors.

How do I fix a P16F0 diagnostic trouble code?

To fix P16F0: Check the integrity of the SPI wiring harness. Inspect and clean connector contacts. Check the power supply to the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16F0?

Yes, but get it checked soon

How much does it cost to fix P16F0?

The estimated repair cost for P16F0 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat