OBD Guide
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P10C6

Engine Diagnostic Status Signal Message Counter Incorrect

P10C6 is an OBD-II diagnostic trouble code meaning: Engine Diagnostic Status Signal Message Counter Incorrect. Common causes: ecm malfunction, problems with controller firmware. Estimated repair cost: $56–278.

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

Symptoms

  • Check Engine light comes on
  • Possible problems starting the engine
  • Reduced engine power
  • Unstable operation at idle
  • Errors in other vehicle systems

Causes

  • ECM malfunction
  • Problems with controller firmware
  • Damage to wiring between modules
  • ECM power problems
  • Corrosion of contacts in the system bus

How to Fix

  1. ECM diagnostics using a scanner
  2. Checking system bus integrity
  3. ECM Firmware Update
  4. Checking the controller supply voltage
  5. Replace ECM if necessary

Related codes

P10C5P10C7P10C8

FAQ

What does the P10C6 code mean?

P10C6 is an OBD-II diagnostic trouble code that indicates: Engine Diagnostic Status Signal Message Counter Incorrect

What causes a P10C6 error code?

The most common causes of P10C6 include: ECM malfunction; Problems with controller firmware; Damage to wiring between modules; ECM power problems.

How do I fix a P10C6 diagnostic trouble code?

To fix P10C6: ECM diagnostics using a scanner. Checking system bus integrity. ECM Firmware Update. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P10C6?

Yes, but get it checked soon

How much does it cost to fix P10C6?

The estimated repair cost for P10C6 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat