OBD Guide

P16E8

Engine Controls Ignition Relay Signal Message Counter Incorrect

P16E8 is an OBD-II diagnostic trouble code meaning: Engine Controls Ignition Relay Signal Message Counter Incorrect. Common causes: ignition relay malfunction, problems with wiring or contacts. Estimated repair cost: $6–28.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • The engine is difficult to start
  • Interruptions in engine operation at idle
  • Check Engine Light on Dashboard
  • Spontaneous engine stop
  • Power Loss

Causes

  • Ignition relay malfunction
  • Problems with wiring or contacts
  • Engine control unit malfunction
  • Short circuit in the circuit
  • Voltage interruptions in the on-board network

How to Fix

  1. Check the condition of the ignition relay
  2. Test the relay circuit for open circuit and short circuit
  3. Check contacts and connections
  4. Scan the control unit for errors
  5. If necessary, replace the ignition relay

Related codes

FAQ

What does the P16E8 code mean?

P16E8 is an OBD-II diagnostic trouble code that indicates: Engine Controls Ignition Relay Signal Message Counter Incorrect

What causes a P16E8 error code?

The most common causes of P16E8 include: Ignition relay malfunction; Problems with wiring or contacts; Engine control unit malfunction; Short circuit in the circuit.

How do I fix a P16E8 diagnostic trouble code?

To fix P16E8: Check the condition of the ignition relay. Test the relay circuit for open circuit and short circuit. Check contacts and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16E8?

Yes, but get it checked soon

How much does it cost to fix P16E8?

The estimated repair cost for P16E8 is $6–28. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat