274 Error Code For Interstate Tractor Tractor Models

There are 1773 kind of error description.

Description:

Rear Pumping Control Valve current is high

Rear Pumping Control Valve current is high (pin A15)(short circuit)

If Inadequate air flow is problematic, so clogged air filters, evaporator core air flow restricted, faulty blower fan motors, defective blower switch or faulty wiring or loose connections.

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