P1636 2007 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 2007 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 2007 Ford Fusion Description
What are the Possible Causes of the DTC P1636 2007 Ford Fusion?
- Reprogram Powertrain Control Module (PCM)
- Damaged key chip
- Faulty Powertrain Control Module
How to Fix the DTC P1636 2007 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 2007 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 2007 Ford Fusion Code
1. What does the OBDII code P1636 mean on a 2007 Ford Fusion?
P1636 indicates an Inductive Signature Chip (ISC) Communication Error, meaning the PCM is having trouble communicating with the ISC module.
2. What are the common symptoms of code P1636 in a Ford Fusion?
Symptoms may include a check engine light, erratic engine performance, difficulty starting, or reduced power.
3. What causes the P1636 error code to appear?
Common causes include a faulty inductive signature chip, damaged wiring or connectors, or a malfunctioning PCM.
4. Can a bad battery cause the P1636 code in a 2007 Ford Fusion?
Yes, low voltage or a weak battery can interfere with communication between the ISC and PCM, potentially triggering this code.
5. How do I diagnose the P1636 code in my Ford Fusion?
Start by inspecting the wiring and connectors between the ISC and PCM, checking for damage, corrosion, or loose connections. Use a scan tool to verify communication signals.
6. Is the P1636 code serious for my 2007 Ford Fusion?
While the vehicle may still run, ignoring this code can lead to more severe engine performance issues and potential drivability problems.
7. How do I fix a P1636 error code on my Ford Fusion?
Repairs may include replacing a damaged ISC module, repairing faulty wiring, or reprogramming or replacing the PCM if necessary.
8. Can I clear the P1636 code without fixing the issue?
You can clear the code with a scan tool, but it will likely return if the underlying issue isn’t resolved.
9. How much does it cost to repair a P1636 error on a Ford Fusion?
Costs vary depending on the issue. Wiring repairs may cost $50-$200, while replacing the ISC module or PCM can range from $300 to $1,000.
10. Can I drive my 2007 Ford Fusion with the P1636 code?
It’s possible to drive with this code, but it’s not recommended as it may lead to performance issues or further damage over time.
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