P1660 Honda Code - AT To ECM Signal Failure
Quick Answer
The P1660 code for Honda vehicles indicates an AT to ECM signal failure. Common causes include Faulty wiring or connections between the AT and ECM, Malfunctioning AT or ECM, Damaged transmission speed sensor. 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
- P1660 Honda indicates AT To ECM Signal Failure.
- Common causes
- Common causes include Faulty wiring or connections between the AT and ECM, Malfunctioning AT or ECM, Damaged transmission speed sensor.
- 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 P1660 Honda Description
The P1660 code for Honda vehicles indicates an AT to ECM signal failure. This means that there is a communication issue between the automatic transmission (AT) and the engine control module (ECM). The ECM is responsible for controlling various functions within the engine, while the AT controls the transmission. When there is a failure in the signal between these two crucial components, it can lead to a variety of issues that can affect the vehicle's performance and overall drivability.
Common Causes of P1660 Honda
- Faulty wiring or connections between the AT and ECM
- Malfunctioning AT or ECM
- Damaged transmission speed sensor
- Corroded connectors or terminals
- Electrical interference or shorts in the wiring harness
Symptoms of P1660 Honda
- Rough or delayed shifting
- Engine stalling or misfiring
- Reduced fuel efficiency
- Illuminated check engine light
- Harsh or erratic transmission behavior
How to Fix P1660 Honda
- Begin by conducting a thorough inspection of the wiring harness, connectors, and terminals between the AT and ECM. Repair or replace any damaged components.
- Test the transmission speed sensor to ensure it is functioning correctly. Replace if necessary.
- Check the AT and ECM for any signs of damage or malfunction. Replace components if needed.
- Clear the diagnostic trouble codes and reset the ECM to see if the issue persists.
- Test drive the vehicle to ensure the repair was successful and that the symptoms associated with the P1660 code have been resolved.
Cost to Fix P1660 Honda
The cost estimate for repairing a P1660 code on a Honda vehicle can vary depending on the specific cause of the issue. On average, the repair costs for this type of problem can range from $200 to $500, including parts and labor. However, it is essential to note that the actual cost may be higher or lower based on the severity of the issue and the rates charged by the auto repair shop. Diagnostic time and labor rates typically range from $80 to $150 per hour, but rates may differ based on location, vehicle make and model, and other factors. It is recommended to obtain a detailed quote from a trusted auto repair shop to determine the exact cost of addressing the P1660 code.
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