P1636 2012 Ford Fusion 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 2012 Ford Fusion 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.
Code P1636 2012 Ford Fusion Description
What are the Possible Causes of the DTC P1636 2012 Ford Fusion?
- Reprogram Powertrain Control Module (PCM)
- Damaged key chip
- Faulty Powertrain Control Module
How to Fix the DTC P1636 2012 Ford Fusion?
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 2012 Ford Fusion 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.
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Frequently Asked Questions about P1636 2012 Ford Fusion Code
1. What does the OBDII code P1636 mean on a 2012 Ford Fusion?
P1636 indicates an Inductive Signature Chip (ISC) Communication Error, which relates to a failure in communication between the Powertrain Control Module (PCM) and the ISC.
2. What are the common symptoms of code P1636 on a 2012 Ford Fusion?
Common symptoms include the Check Engine Light turning on, possible engine misfires, poor engine performance, and occasional stalling.
3. What causes the P1636 code to appear in a 2012 Ford Fusion?
The most common causes include a faulty ISC, damaged wiring or connectors in the ISC circuit, or a malfunctioning PCM.
4. Can I drive my 2012 Ford Fusion with a P1636 code?
While the car may still run, driving with a P1636 code is not recommended as it can lead to poor performance, potential stalling, and further damage to engine components.
5. How is the P1636 code diagnosed on a 2012 Ford Fusion?
A technician will use a scan tool to verify the code, inspect ISC wiring and connectors for damage, and perform communication tests between the ISC and PCM.
6. How do you fix a P1636 code on a 2012 Ford Fusion?
Repairs may involve replacing a damaged ISC, repairing or replacing faulty wiring, or reprogramming or replacing the PCM if communication issues persist.
7. Is the P1636 code related to a specific sensor in the 2012 Ford Fusion?
Yes, it is related to the Inductive Signature Chip (ISC), which monitors and communicates ignition coil signals to the PCM.
8. What tools are needed to troubleshoot the P1636 code on a 2012 Ford Fusion?
Troubleshooting may require an OBDII scanner, a multimeter for checking voltage and continuity, and possibly an oscilloscope to monitor ISC signals.
9. Can a low battery cause a P1636 code on a 2012 Ford Fusion?
A low or failing battery can sometimes contribute to communication errors, so it's worth checking and ensuring the battery is fully charged and functioning properly.
10. How much does it cost to fix a P1636 code on a 2012 Ford Fusion?
Repair costs can vary depending on the exact issue but generally range from $100 to $500, including parts and labor.
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