P0701: Transmission Control System Range/Performance
Can you still drive? Drive carefully and avoid hard acceleration. If the transmission is slipping or stuck in one gear, limit driving to essential trips and get it diagnosed promptly.
What Does P0701 Mean?
Code P0701 indicates that the transmission control module (TCM) or PCM has detected a general performance issue within the transmission control system. This is often a parent code that accompanies more specific transmission fault codes. It signals that the transmission is not operating within its expected parameters.
Need to read your codes?
An OBD-II scanner lets you read and clear diagnostic trouble codes from your vehicle's computer. Most scanners work with any car made after 1996.
Browse OBD-II Scanners on AmazonCommon Causes
- Low or contaminated transmission fluid
- Faulty transmission solenoid
- Damaged wiring to transmission sensors
- Internal transmission mechanical failure
- Failed transmission control module
Symptoms
- Check engine light on
- Harsh or delayed shifting
- Transmission slipping
- Transmission stuck in limp mode or single gear
- Reduced fuel economy
Diagnostic Steps
- 1Check transmission fluid level and condition
- 2Scan for additional transmission-specific fault codes
- 3Inspect transmission wiring harness and connectors
- 4Monitor transmission sensor data with a scan tool during driving
- 5Check for TSBs related to transmission issues on your vehicle
- 6Perform a transmission fluid flush if fluid is dark or burnt
Recommended Parts & Tools
transmission fluid
OBD-II scanner with transmission capability
Estimated Repair Cost
| Type | Estimated Cost |
|---|---|
| Total Repair Cost Range | $100 - $3000 |
| Parts Only (DIY) | $80 - $200 |
| Labor (1-2 hrs @ $100/hr) | $100 - $200 |
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Get a detailed AI diagnosis for code P0701 specific to your vehicle. Includes step-by-step repair instructions, exact parts needed, and a cost breakdown tailored to your make and model.
Chat with AI About P0701Commonly Affected Vehicles
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Frequently Asked Questions
Is P0701 a serious transmission problem?
P0701 is a general code that indicates something is wrong with the transmission control system. It could be minor like a sensor issue or major like internal mechanical failure. Additional codes will help pinpoint the cause.
Should I check my transmission fluid first?
Absolutely. Low or burnt transmission fluid is one of the easiest things to check and is a common cause of transmission performance issues.
Community Fix Reports
Community reports are user-submitted and not verified by Auto AI Buddy. Results may vary.
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