AutoCodes – Ford – P1636 Ford

P1636 Ford Code - Inductive Signature Chip Communication Error

Quick Answer

The Powertrain Control Module (PCM) monitors the communications with the Inductive Signature Chip. Common causes include Reprogram Powertrain Control Module (PCM), Damaged key chip, Faulty Powertrain Control Module. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1636 Ford indicates Inductive Signature Chip Communication Error.
Common causes
Common causes include Reprogram Powertrain Control Module (PCM), Damaged key chip, Faulty Powertrain Control Module.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 47,596
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Aug 02, 2020
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Code P1636 Ford Description

The Powertrain Control Module (PCM) monitors the communications with the Inductive Signature Chip. The Diagnostic Trouble Code (DTC) indicates the Powertrain Control Module has lost communication with the Inductive Signature Chip.
OBDII Code P1636 Ford - Inductive Signature Chip Communication Error - AutoCodes.com
P1636 Ford Code - Inductive Signature Chip Communication Error

What are the Possible Causes of the DTC P1636 Ford?

  • Reprogram Powertrain Control Module (PCM)
  • Damaged key chip
  • Faulty Powertrain Control Module

How to Fix the DTC P1636 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1636 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1636 Ford code?

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Need Help with the Code?

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Information for Specific Ford Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1636 Ford Code

No Frequently Asked Questions about P1636 Ford Code found.

Discuss the causes and fixes for P1636 Ford OBDII Code

  • my 2011 f150 wont start. just keeps cranking over but wont fire. ran fine yesterday. check engine light came on for P1636 which is the PCM. do i need to replace the whole computer or just one of those 3 plugs that plug into it. already checked all the fuses and the relay

  • Let me check if there is more information about that code. What is the engine size of your F150?

  • Ford Ranger 2.2 2014 wont start. just keeps cranking over but wont fire check engine light came on for P1636 and telling Crankshaft Position Sensor...Where is it located?

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