7743 SPN Fault Code

Name:

Mirror Left 2 Heat Command

Description:

Command to activate heater for second mirror on the left side (driver side for left-hand steer vehicle). Mirror heat may be expected to latch in the � on � state upon receipt of the command, stay on while the command is � take no action � and turn off upon receipt of the � off � command.00b = Mirror heat off 01b = Mirror heat on 10b = Reserved 11b = Take no action

7743 spn fault code name is Mirror Left 2 Heat Command. If you don't take the time to look into 7743 spn fault when it arises, it can add up quickly. One small issue like 7743 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 7743 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.

7743 SPN Fault Code

Name:

Description:

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