OBD Guide
ENFRDEESPT

P16E9

Control Module Serial Peripheral Interface Bus 2

P16E9 is an OBD-II diagnostic trouble code meaning: Control Module Serial Peripheral Interface Bus 2. Common causes: damage to can bus wiring, oxidation of contacts in connectors. Estimated repair cost: $56–333.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–333 (est.)

Symptoms

  • Incorrect operation of the vehicle's electronic systems
  • Malfunction indicator light comes on
  • Problems starting the engine
  • Failure of individual vehicle functions
  • Dashboard malfunctions

Causes

  • Damage to CAN bus wiring
  • Oxidation of contacts in connectors
  • Control module malfunction
  • Software failure in the module
  • Module power problems

How to Fix

  1. Checking the integrity of the CAN bus wiring
  2. Diagnostics and cleaning of connector contacts
  3. Checking the control module power supply
  4. Module software update
  5. Replacing the control module if necessary

Related codes

P16E8P16EAP16EB

FAQ

What does the P16E9 code mean?

P16E9 is an OBD-II diagnostic trouble code that indicates: Control Module Serial Peripheral Interface Bus 2

What causes a P16E9 error code?

The most common causes of P16E9 include: Damage to CAN bus wiring; Oxidation of contacts in connectors; Control module malfunction; Software failure in the module.

How do I fix a P16E9 diagnostic trouble code?

To fix P16E9: Checking the integrity of the CAN bus wiring. Diagnostics and cleaning of connector contacts. Checking the control module power supply. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16E9?

Limited driving only, diagnose soon

How much does it cost to fix P16E9?

The estimated repair cost for P16E9 is $56–333. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat