OBD Guide
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P16F6

Control Module Range State Command

P16F6 is an OBD-II diagnostic trouble code meaning: Control Module Range State Command. Common causes: control module malfunction, software failure in the module. Estimated repair cost: $56–222.

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

Symptoms

  • Unstable engine operation
  • Check Engine Light Illuminates
  • Power Loss
  • Problems with gear shifting (if the module is connected to the transmission)

Causes

  • Control module malfunction
  • Software failure in the module
  • Module power problems
  • Short circuit in the module circuit
  • Wiring harness damage

How to Fix

  1. Check power supply and grounding of the module
  2. Check the integrity of the wiring harness
  3. Scan the module for errors
  4. Reflash or replace the control module

Related codes

P16F5P16F7P16F8

FAQ

What does the P16F6 code mean?

P16F6 is an OBD-II diagnostic trouble code that indicates: Control Module Range State Command

What causes a P16F6 error code?

The most common causes of P16F6 include: Control module malfunction; Software failure in the module; Module power problems; Short circuit in the module circuit.

How do I fix a P16F6 diagnostic trouble code?

To fix P16F6: Check power supply and grounding of the module. Check the integrity of the wiring harness. Scan the module for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16F6?

Yes, but get it checked soon

How much does it cost to fix P16F6?

The estimated repair cost for P16F6 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat