Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer is having trouble figuring out how much power the engine should make, which might make the car not drive smoothly.
This code indicates that there is an error in the calculation of the engine's torque by the electronic throttle control system.
The P1689 code is triggered when the Powertrain Control Module (PCM) detects an error in the torque calculations performed by the Electronic Throttle Control (ETC) system. This system is responsible for managing the throttle position to control engine power and efficiency. A mismatch or error in the expected vs. actual torque levels will set this code.
• Check Engine Light is on
• Reduced engine performance
• Unstable or rough idling
• Faulty throttle position sensor
• Malfunctioning electronic throttle control actuator
• Wiring issues or poor connections in the throttle control circuit
Electronic Throttle Control: A system that uses electronic signals to control the throttle opening.
Torque: A measure of the rotational force produced by the engine.
• Use an OBD-II scanner to confirm the code.
• Inspect the throttle body and electronic throttle control components.
• Check wiring and connectors for damage or corrosion.
• Replace faulty throttle position sensor.
• Repair or replace damaged wiring or connectors.
• Replace the electronic throttle control actuator if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $500
Moderate
• Dodge Ram
• Jeep Grand Cherokee
• Chrysler 300
• Regular maintenance of throttle body and sensors.
• Ensure clean and secure electrical connections.
• Use quality fuel to prevent deposits.
Engine Performance
• Avoid driving the vehicle aggressively until repaired.
• Have the vehicle inspected by a professional mechanic.
• Monitor for any changes in engine performance.
Check with the vehicle manufacturer for specific warranty coverage on electronic throttle components.
The P1689 code has been associated with electronic throttle control issues in vehicles with drive-by-wire systems since the early 2000s.
Moderate – While the vehicle may still be drivable, performance issues could worsen and lead to unsafe driving conditions.
Ignoring this code could lead to reduced vehicle performance and potential safety hazards. It is recommended to address the issue promptly.
• Engine running
• Vehicle in park or neutral
The electronic throttle control system is typically located on or near the throttle body, which is usually mounted on the intake manifold.
Q: Can I drive with a P1689 code?
A: It's possible, but not recommended. The vehicle may have reduced performance and could be unsafe to drive.
Q: What happens if I ignore the P1689 code?
A: Ignoring the code can lead to further engine performance issues and potential safety risks.
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