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Home/DTC Codes/Lincoln/MKX/2018-2018 3.7L V6/P0700
P0700

Transmission Control System (MIL Request)

2018-2018 Lincoln MKX 3.7L V6

Moderate SeverityPowertrainGeneric (SAE)

The 2018 Lincoln MKX is equipped with a 3.7L V6 engine. Below you'll find detailed p0700 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

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

  1. Read ALL codes including transmission-specific codes
  2. Check transmission fluid level and condition
  3. 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

P0701Transmission Control System Range/PerformanceP0710Transmission Fluid Temperature Sensor CircuitP0715Input/Turbine Speed Sensor CircuitP0720Output Speed Sensor CircuitP0730Incorrect Gear RatioP0740Torque Converter Clutch Circuit MalfunctionP0750Shift Solenoid A

Other Powertrain Codes

P0700 on Other Vehicles

Lincoln Aviator

2003-2003 4.6L V8 DOHC

Lincoln Aviator

2004-2004 4.6L V8 DOHC

Lincoln Aviator

2005-2005 4.6L V8 DOHC

Lincoln Aviator

2020-2020 3.0L Twin-Turbo V6

Lincoln Aviator

2020-2020 3.0L V6 Twin Turbo

Lincoln Aviator

2020-2020 3.0L V6 Twin Turbo Hybrid

Lincoln Aviator

2021-2021 3.0L Twin-Turbo V6

Lincoln Aviator

2021-2021 3.0L V6 Twin Turbo

Common Questions

What does code P0700 mean on a 2018-2018 Lincoln MKX?

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 Lincoln MKX?

Common symptoms of P0700 include: Check Engine Light, Possible shift problems, May be in limp mode.

What causes P0700 on a 2018-2018 Lincoln MKX?

Common causes of P0700 include: Various transmission issues - check for additional codes, TCM detected a fault, Wiring issue between TCM and PCM.

Last updated: March 2026

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