The p0700 error code indicates that there is a problem with the transmission control system. This system controls the shifting of gears in an automatic transmission, and the p0700 code indicates that there is a problem with the way the system is functioning. There are a number of reasons why this code may occur, including a faulty transmission control module, a problem with the transmission itself, or a problem with the vehicle's electrical system.
Other common searches for this error include:
- error code p0700
- p0700
- Check the transmission fluid level and condition
- Inspect the transmission for leaks
- Check for loose or damaged electrical connectors at the transmission
- Check the transmission control module for loose or damaged connectors
- Inspect the transmission for mechanical damage
- Replace the transmission control module
1. Check the transmission fluid level and condition
- Locate the transmission fluid level and observe the level or condition.
- If the transmission fluid level is low, add transmission fluid to the appropriate level.
- If the transmission fluid level is high, add transmission fluid to the appropriate level.
- Reinstall the transmission fluid cooler if necessary.
- Reinstall the transmission fluid filter.
- If the transmission fluid level is still high, replace the transmission fluid cooler.
- If the transmission fluid level is still high, replace the transmission fluid filter and transmission fluid.
2. Inspect the transmission for leaks
- Remove the transmission pan.
- Check the fluid level and note any leaks.
- Check the fluid pressure and note any leaks.
- Check the fluid temperature and note any leaks.
- Inspect the transmission for wear or damage.
3. Check for loose or damaged electrical connectors at the transmission
Step 1: remove the transmission cover
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Remove the transmission cover. Refer to Transmission Removal and Installation.
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Disconnect the battery cable. Refer to Battery Cable Disconnections.
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Remove the five screws that secure the transmission case to the engine.
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Remove the transmission case. Refer to Transmission Removal and Installation.
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Inspect the electrical connectors for loose or damaged wiring. Replace any damaged connectors. Step 2: clean and lubricate the transmission
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Clean and lubricate the transmission. Refer to Transmission Cleaning and Lubrication.
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Reinstall the transmission case. Refer to Transmission Reinstallation.
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Reconnect the battery cable. Refer to Battery Cable Reconnections.
4. Check the transmission control module for loose or damaged connectors
- Inspect the connectors for damage.
- Remove any damaged or loose connectors.
- Reinstall the connectors in the correct positions.
- Check the operation of the vehicle.
5. Inspect the transmission for mechanical damage
- Inspect the engine for obvious damage. If the engine appears to be in good condition, inspect the transmission for mechanical damage.
- Check the fluid levels, if present.
- If the transmission appears to be in good condition, check the fluid levels, if present.
- Check the torque converter for damage.
- If the transmission appears to be in good condition, replace the torque converter if necessary.
6. Replace the transmission control module
- Remove the instrument panel.
- Remove the passenger side front wheelwell.
- Remove the transmission cover.
- Remove the transmission.
- Remove the two bolts that secure the transmission control module (TCM) to the transmission.
- Remove the TCM.
- Install a new TCM.
- reassemble the transmission.
- Replace the instrument panel.
Some users might also have success with the following opitons:
- Replace the transmission.