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P0738 - TCM Engine Speed Output Circuit Low

P0738 is a generic powertrain diagnostic trouble code indicating TCM Engine Speed Output Circuit Low. It relates to the Transmission system.

DTC Breakdown (SAE J2012)

PSystem: Powertrain
0Type: Generic
7Subsystem: Transmission
38Fault Index
Facts for code P0738
SystemPowertrain (P)
TypeGeneric
SubsystemTransmission
Fault Index38
StandardSAE J2012 / ISO 15031-6

What does diagnostic code P0738 mean?

The dtc/">diagnostic trouble code P0738 represents TCM Engine Speed Output Circuit Low. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

Detailed diagnostic guides and specific fix procedures for code P0738 are currently being compiled. Always verify check engine warnings with a qualified mechanic.

🔗 Related Diagnostic Codes

Often diagnosed alongside:

Frequently Asked Questions about P0738

What does P0738 mean?

The diagnostic trouble code P0738 represents TCM Engine Speed Output Circuit Low. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

What is the system for P0738?

The P0738 code is located in the vehicle's Powertrain network.

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