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GM OBD Trouble Code 58

Trans Fluid Temperature sensor circuit error (low voltage)

VATS (Vehicle Anti-theft System) error

  • Depending on the model, code 58 can refer to two different systems.
  • Please choose from one of the above links for specific information on each system.

Trans Fluid Temperature sensor circuit error (low voltage)

The ECM monitors the transmission fluid temperature sensor and can adjust the transmission operation based on the fluid temperature. If the circuit is shorted to ground code 58 will set.

Fault Code Description

  • 58 -Trans fluid temp sensor circuit error (low voltage)

Symptoms

  • Check engine light may be on

Common Problems

  • Transmission temperature sensor

VATS (Vehicle Anti-theft System) error

The ECM receives a signal from the Anti-theft system module. When the correct signal is received, the ECM will allow the engine to start and run. Please review the RepairPal article on the GM VATS system for more information.

Fault Code Description

  • 48 - VATS system error

Symptoms

  • Engine may not start

Common Problems

  • Faulty wiring to ignition lock cylinder or ignition lock cylinder

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