C1657 Code - Hybrid Powertrain Control Module
Quick Answer
This Diagnostic Trouble Code (DTC) is stored when the Parking Assist ECU receives a hybrid control system malfunction signal from the hybrid control system via CAN communication. Common causes include Faulty Hybrid Powertrain Control Module, Hybrid Powertrain Control Module harness is open or shorted, Hybrid Powertrain Control Module 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
- C1657 indicates Hybrid Powertrain Control Module.
- Common causes
- Common causes include Faulty Hybrid Powertrain Control Module, Hybrid Powertrain Control Module harness is open or shorted, Hybrid Powertrain Control Module 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.
Code C1657 Description
What are the Possible Causes of the DTC C1657?
- Faulty Hybrid Powertrain Control Module
- Hybrid Powertrain Control Module harness is open or shorted
- Hybrid Powertrain Control Module circuit poor electrical connection
How to Fix the DTC C1657?
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 C1657 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 C1657 code?
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Get the C1657 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1657 Lexus — Hybrid Powertrain Control Module
- C1657 Toyota — Hybrid Powertrain Control Module
Frequently Asked Questions about C1657 Code
1. What are common symptoms of OBDII code C1657 (Hybrid Powertrain Control Module)?
- Common symptoms include poor fuel economy, loss of power, and difficulty starting the vehicle.
2. What are the possible causes of OBDII code C1657 (Hybrid Powertrain Control Module)?
- Possible causes include a faulty hybrid powertrain control module, wiring issues, or a weak hybrid battery.
3. How can I diagnose OBDII code C1657 (Hybrid Powertrain Control Module)?
- Diagnosis involves using an OBDII scanner to retrieve the code, checking the hybrid powertrain control module, and inspecting related wiring.
4. Can I drive my vehicle with OBDII code C1657 (Hybrid Powertrain Control Module)?
- It is not recommended to drive your vehicle with this code as it can lead to further damage and potentially unsafe driving conditions.
5. How do I repair OBDII code C1657 (Hybrid Powertrain Control Module)?
- Repair typically involves replacing the faulty hybrid powertrain control module or addressing any wiring issues causing the code.
6. Are there any DIY tips for fixing OBDII code C1657 (Hybrid Powertrain Control Module)?
- DIY tips include checking for loose or damaged wiring connections before replacing the hybrid powertrain control module.
7. How much does it cost to repair OBDII code C1657 (Hybrid Powertrain Control Module)?
- Repair costs can vary depending on the extent of the issue, but replacing the hybrid powertrain control module can range from $500 to $1000.
8. Will OBDII code C1657 (Hybrid Powertrain Control Module) affect my vehicle's performance?
- Yes, this code can impact your vehicle's performance by causing poor fuel efficiency, power loss, and other drivability issues.
9. Can a weak hybrid battery cause OBDII code C1657 (Hybrid Powertrain Control Module)?
- Yes, a weak hybrid battery can contribute to this code as it may not provide sufficient power to the hybrid powertrain control module.
10. How can I prevent OBDII code C1657 (Hybrid Powertrain Control Module) from occurring?
- Regular maintenance, such as checking the hybrid system components and ensuring proper battery health, can help prevent this code from occurring.
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