P0988 Code - 4C Pressure Switch Sense Circuit
Quick Answer
The diagnostic trouble code P0988 refers to a malfunction in the 4C pressure switch sense circuit in the vehicle's transmission system. Common causes include Damaged wiring or connectors, Faulty pressure switch, Low transmission fluid levels. 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
- P0988 indicates 4C Pressure Switch Sense Circuit.
- Common causes
- Common causes include Damaged wiring or connectors, Faulty pressure switch, Low transmission fluid levels.
- 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 P0988 Description
The diagnostic trouble code P0988 refers to a malfunction in the 4C pressure switch sense circuit in the vehicle's transmission system. This code indicates that there is an issue with the electrical circuit responsible for monitoring the pressure in the transmission fluid. The 4C pressure switch plays a crucial role in ensuring the proper operation of the transmission by sending signals to the vehicle's computer system to regulate gear shifting and overall performance.
Common Causes of P0988
- Damaged wiring or connectors
- Faulty pressure switch
- Low transmission fluid levels
- Internal transmission problems
Symptoms of P0988
- Erratic shifting
- Harsh shifting
- Slipping gears
- Reduced fuel efficiency
- Transmission failure to shift
How to Fix P0988
- Perform a thorough inspection of the wiring and connectors in the 4C pressure switch circuit.
- Test the pressure switch for proper functionality and replace if necessary.
- Check and refill transmission fluid to the correct level.
- Conduct a diagnostic scan to reset the trouble code and ensure proper transmission operation.
- If the issue persists, further transmission system diagnostics may be required to identify and address any internal problems.
Cost to Fix P0988
The typical repair costs for addressing the P0988 code can vary depending on the specific cause of the issue. On average, the parts and labor for this repair can range from $200 to $500. It's important to note that diagnosis time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. Rates typically range from $80 to $150 per hour, with rates potentially higher at dealerships or in metropolitan areas, and lower at independent shops. For a more accurate estimate, it's recommended to inquire with local auto repair shops.
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Code P0988 Information for Specific Makes
- P0988 Chrysler — 4C Pressure Switch Sense Circuit
- P0988 Dodge — 4C Pressure Switch Sense Circuit
- P0988 Jeep — 4C Pressure Switch Sense Circuit
- P0988 RAM — 4C Pressure Switch Sense Circuit
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