3344 SPN Fault Code

Name:

Support Variable Rate TSC1 Message

Description:

This parameter indicates which TSC1 transmission rates are supported by the engine ECU in addition to the required 10ms transmission rate for temporary powertrain control purposes.Bit Position Transmission Rate 1 1000 ms transmission rate 2 750 ms transmission rate 3 500 ms transmission rate 4 250 ms transmission rate 5 100 ms transmission rate 6 50 ms transmission rate 7 20 ms transmission rate 8 Reserved for SAE assignment (set to one) Where 0 = Transmission Rate Supported by Engine and 1 = Transmission Rate Not supported by Engine Note: FFh for this byte implies that the engine only supports standard temporary powertrain control (e.g. 10 ms)

3344 spn fault code name is Support Variable Rate TSC1 Message. If you don't take the time to look into 3344 spn fault when it arises, it can add up quickly. One small issue like 3344 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 3344 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

3344 SPN Fault Code

Name:

Description:

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