P1790 Jeep Code - Fault Immediately After Shift
Quick Answer
The P1790 code for Jeep vehicles indicates a fault that occurs immediately after a shift. Common causes include Faulty transmission control module (TCM), Wiring or connector issues in the transmission system, Low transmission fluid level or poor quality fluid. 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
- P1790 Jeep indicates Fault Immediately After Shift.
- Common causes
- Common causes include Faulty transmission control module (TCM), Wiring or connector issues in the transmission system, Low transmission fluid level or poor quality fluid.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1790 Jeep Description
The P1790 code for Jeep vehicles indicates a fault that occurs immediately after a shift. This fault typically occurs in the transmission system, signaling an issue with the transmission control module (TCM). When this code is triggered, it can affect the vehicle's performance by causing erratic shifting, harsh shifting, or even a complete loss of shifting capabilities. This can result in poor acceleration, reduced fuel efficiency, and potential damage to the transmission if not addressed promptly.
Common Causes of P1790 Jeep
- Faulty transmission control module (TCM)
- Wiring or connector issues in the transmission system
- Low transmission fluid level or poor quality fluid
- Mechanical issues in the transmission, such as worn-out components
- Software glitches or programming errors in the TCM
Symptoms of P1790 Jeep
- Erratic or harsh shifting
- Delayed or no shifting
- Vehicle stuck in a particular gear
- Transmission slipping
- Check Engine light illuminated
How to Fix P1790 Jeep
- Diagnose the specific cause of the fault code using a diagnostic scanner.
- Inspect the wiring and connectors in the transmission system for any damage or corrosion.
- Check the transmission fluid level and quality, topping up or replacing as needed.
- Test the TCM for proper functioning and reprogram or replace if necessary.
- Address any mechanical issues in the transmission by repairing or replacing damaged components.
Cost to Fix P1790 Jeep
The cost of repairing a P1790 fault in a Jeep can vary depending on the specific cause of the issue. On average, the repair cost can range from $200 to $800, including parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to get a detailed estimate from a reputable mechanic before proceeding with the repair.
Need more information about the P1790 Jeep code?
Need more information on how to fix the P1790 Jeep code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1790 Jeep code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1790 Jeep Code
No Frequently Asked Questions about P1790 Jeep Code found.
Discuss the causes and fixes for P1790 Jeep OBDII Code
Code P1790 Jeep comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.