Transmission Control System (MIL Request)
2019-2024 BMW 3 Series G20 2.0L I4 Turbo B48
Description
The Transmission Control Module (TCM) has requested the PCM to turn on the Check Engine Light due to a transmission fault. There will be additional transmission-specific codes stored.
Symptoms
- Check Engine Light
- Possible shift problems
- May be in limp mode
Common Causes
- Various transmission issues - check for additional codes
- TCM detected a fault
- Wiring issue between TCM and PCM
Diagnostic Steps
- Read ALL codes including transmission-specific codes
- Check transmission fluid level and condition
- Address other transmission codes first
Repair Notes
This is an informational code. Look for other P07xx and P08xx codes that explain the actual problem.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0700 on Other Vehicles
Common Questions
What does code P0700 mean on a 2019-2024 BMW 3 Series G20?
P0700 stands for "Transmission Control System (MIL Request)". The Transmission Control Module (TCM) has requested the PCM to turn on the Check Engine Light due to a transmission fault. There will be additional transmission-specific codes stored.
What are the symptoms of P0700 on a BMW 3 Series G20?
Common symptoms of P0700 include: Check Engine Light, Possible shift problems, May be in limp mode.
What causes P0700 on a 2019-2024 BMW 3 Series G20?
Common causes of P0700 include: Various transmission issues - check for additional codes, TCM detected a fault, Wiring issue between TCM and PCM.