AutoCodes – Ford – P1657 Ford

P1657 Ford Code - CAN Link Chip Malfunction

Quick Answer

With the engine speed over 600 rpm, the Powertrain Control Module (PCM) detects the commanded state of the Upshift driver and the Actual state of the control circuit did not match, all conditions met for over 5 seconds. Common causes include Faulty Solenoid, Solenoid harness is open or shorted, Solenoid circuit poor electrical connection. 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
P1657 Ford indicates CAN Link Chip Malfunction.
Common causes
Common causes include Faulty Solenoid, Solenoid harness is open or shorted, Solenoid circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 26,049
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 06, 2019
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Code P1657 Ford Description

With the engine speed over 600 rpm, the Powertrain Control Module (PCM) detects the commanded state of the Upshift driver and the Actual state of the control circuit did not match, all conditions met for over 5 seconds.
OBDII Code P1657 Ford - CAN Link Chip Malfunction - AutoCodes.com
P1657 Ford Code - CAN Link Chip Malfunction

What are the Possible Causes of the DTC P1657 Ford?

  • Faulty Solenoid
  • Solenoid harness is open or shorted
  • Solenoid circuit poor electrical connection

How to Fix the DTC P1657 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 P1657 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 P1657 Ford code?

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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 P1657 Ford Code

1. What are the common symptoms of OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- Common symptoms include issues with the vehicle's transmission, such as harsh shifting, delayed shifting, or the transmission going into limp mode.

2. What can cause the OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- The code can be triggered by a malfunction in the CAN link chip itself, wiring issues, a faulty transmission control module (TCM), or a problem with the powertrain control module (PCM).

3. How serious is the OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- This code is considered serious as it can affect the proper functioning of the vehicle's transmission, leading to potential safety hazards and drivability issues.

4. How can I diagnose the OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- Proper diagnosis typically involves using a professional OBDII scanner to retrieve the specific trouble code, followed by inspecting the CAN link chip, wiring connections, TCM, and PCM for any signs of damage or malfunction.

5. Can I continue driving with the OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission and potentially leave you stranded on the road.

6. What are the potential repair options for fixing the OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- Repair options may include replacing the CAN link chip, repairing or replacing damaged wiring, replacing the TCM or PCM if faulty, and ensuring all connections are secure and functioning properly.

7. How much does it typically cost to repair the OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- The cost of repairs can vary depending on the specific cause of the issue, but it may range from a few hundred dollars for simple fixes to over a thousand dollars for more complex repairs involving module replacements.

8. Can I reset the OBDII code P1657 (Ford) CAN Link Chip Malfunction by disconnecting the battery?

- While disconnecting the battery can sometimes clear trouble codes temporarily, it is not a recommended method for resolving this particular issue. Proper diagnosis and repairs are necessary to fix the underlying problem.

9. Are there any preventive maintenance steps to avoid the OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- Regularly inspecting and maintaining the vehicle's electrical system, including checking for loose connections and ensuring proper grounding, can help prevent issues that may trigger this code.

10. How long does it typically take to repair the OBDII code P1657 (Ford) CAN Link Chip Malfunction?

- The repair time can vary depending on the specific cause of the issue and the expertise of the technician, but it may take anywhere from a few hours to a full day to diagnose and fix the problem.

Discuss the causes and fixes for P1657 Ford OBDII Code

  • Engine , airbag, ABS, Handbrake and spanner lights are on. Milage is ------- then it comes ODO data error. The gear shaft does not move from park to any other gears. Ford Fusion 2006 SE 3.0 L
    How can I fix this problem? Some says if I change TSS transmission speed sensor.

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