OBD Guide

P16ED

Control Module Serial Peripheral Interface Bus 6

P16ED is an OBD-II diagnostic trouble code meaning: Control Module Serial Peripheral Interface Bus 6. Common causes: control module malfunction, damage to the spi bus wiring harness. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine Light Is On
  • Unstable engine operation
  • Malfunctions of electronic systems
  • Lost connection with some sensors
  • Problems starting the engine

Causes

  • Control module malfunction
  • Damage to the SPI bus wiring harness
  • Short circuit in the circuit
  • Interference in the electrical system
  • Oxidation of connector contacts

How to Fix

  1. Check the integrity of the SPI bus wiring harness
  2. Inspect and clean connector contacts
  3. Check power and grounding of the control module
  4. Test the control module on the bench
  5. Replace the faulty control module if necessary

Related codes

FAQ

What does the P16ED code mean?

P16ED is an OBD-II diagnostic trouble code that indicates: Control Module Serial Peripheral Interface Bus 6

What causes a P16ED error code?

The most common causes of P16ED include: Control module malfunction; Damage to the SPI bus wiring harness; Short circuit in the circuit; Interference in the electrical system.

How do I fix a P16ED diagnostic trouble code?

To fix P16ED: Check the integrity of the SPI bus wiring harness. Inspect and clean connector contacts. Check power and grounding of the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16ED?

Yes, but get it checked soon

How much does it cost to fix P16ED?

The estimated repair cost for P16ED is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat