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OBD II Fault Code

  • OBD II P0218

    OBD-II Code Transmission fluid temperature warning light illuminated is defined as a Transmission Fluid Over Temperature Condition

    The Transmission Fluid Temperature Sensor tells the engine control module (PCM) the temperature of the transmission fluid. When the fluid gets too hot, the PCM will set code P0218.The PCM may also put the vehicle into "limp home mode", limiting the power of the engine, to protect the transmission from additional damage.

    Transmission fluid temperature warning light illuminated Symptoms

    • Engine may enter limp home mode (reduced performance)
    • Transmission fluid temperature warning light illuminated

    Common Problems That Trigger the P0218 Code

    • Excessive towing uphill
    • Powertrain Control Module (PCM) software needs to be updated
    • Restricted transmission cooler
    • Trailer exceeds vehicle's maximum towing capabilities
    • Transmission fluid level is low

    Common Repairs Needed for the P0218 Code

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