P0959 Code - Auto Shift Manual Mode Circuit Intermittent
Quick Answer
The OBD-II code P0959 refers to a problem with the Auto Shift Manual Mode Circuit being intermittent. Common causes include Faulty wiring or connectors in the Auto Shift Manual Mode Circuit, Malfunctioning sensors or switches related to manual mode, Issues with the transmission 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
- P0959 indicates Auto Shift Manual Mode Circuit Intermittent.
- Common causes
- Common causes include Faulty wiring or connectors in the Auto Shift Manual Mode Circuit, Malfunctioning sensors or switches related to manual mode, Issues with the transmission 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.
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Code P0959 Description
The OBD-II code P0959 refers to a problem with the Auto Shift Manual Mode Circuit being intermittent. In vehicles with automatic transmissions that have a manual mode option, this code indicates that there is a fault in the circuit that controls the transition between automatic and manual shift modes. This can affect the vehicle's performance by causing issues with shifting gears, engaging manual mode, or displaying incorrect information on the dashboard.
Common Causes of P0959
- Faulty wiring or connectors in the Auto Shift Manual Mode Circuit
- Malfunctioning sensors or switches related to manual mode
- Issues with the transmission control module
- Damage to the transmission itself
- Corrosion or moisture affecting electrical components
Symptoms of P0959
- Difficulty shifting between automatic and manual mode
- Dashboard warning lights related to transmission or shifting
- Inability to engage manual mode
- Erratic shifting behavior
- Reduced power or acceleration
How to Fix P0959
- Begin by conducting a thorough inspection of the wiring, connectors, and components in the Auto Shift Manual Mode Circuit to identify any visible damage or loose connections.
- Test the sensors and switches related to manual mode to ensure they are functioning correctly. Replace any faulty components as needed.
- Check the transmission control module for any error codes or malfunctions. Reset the module and reprogram if necessary.
- Inspect the transmission for any signs of damage or wear that could be causing the intermittent issue. Address any mechanical problems with the transmission as required.
- Clear the OBD-II codes and test drive the vehicle to verify that the issue has been resolved. Monitor the shifting behavior and check for any recurrence of the code.
Cost to Fix P0959
The cost of repairing the Auto Shift Manual Mode Circuit Intermittent issue can vary depending on the specific cause of the problem and the extent of repairs needed. On average, the parts and labor for this repair could range from $200 to $500. However, it's important to note that labor rates and part costs can differ significantly based on the location, the make and model of the vehicle, and the expertise of the mechanic. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate for this repair.
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Code P0959 Information for Specific Makes
- P0959 Dodge — Auto Shift Manual Mode Circuit Intermittent
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