What is the PCM B fuse?

The Fuse for the PCM B (20 AMP) feeds Power to the Contacts of the Fuel Pump Relay, and to the Coil of the EDU Relay, along with Voltages supplied to the Engine Control Module (ECM) as Inputs to ECM, and Power to the Transmission Control Module (TCM).

What happens when you unplug ECM?

Will Disconnecting Battery Reset ECU? Just unplugging the battery may not be enough to reset the ECM in many cars because there is backup power and a fuse box which prevents the engine control module from being wiped in natural conditions. If that were to occur then the ECU would reset every time your car was replaced.

What happens if ECM fuse is blown?

Voltage from the battery is sent to the starter, which then engages and starts the engine. The voltage or amps surge, causing the ECM 1’s fuse to blow. When the starter fails you will hear a clicking noise or the engine will be hard to start.

What happens when TCM fuse is blown?

The TCM fuse is in the main fuse block and is probably 10 amps. If the fuse is blown, that is confirmation but the faulty fuse means there is a short circuit in the TCM and/or wiring that would have to be traced and repaired.

Are ECM and TCM the same?

ECU (Engine Control Unit) / ECM (Engine Control Module) – This is an electronic control unit that manages the engine only. TCU (Transmission Control Unit) / TCM (Transmission Control Module) – This is a control unit that manages the transmission and associated sensors, switches, actuators and solenoids.

What is a TBC fuse?

UPDATE: I found out the TBC is the fuse for the Body Control Module.

What is the DLIS fuse?

#2 · Nov 19, 2019. Welcome to the site. The Discrete Logic Ignition Switch (DLIS) fuse is in the engine compartment #35 (2 amp) The DLIS fuse is to be removed when flat towing the truck like behind an RV. It allows the key to be turned to ACC.

Where is the fuse box on a 2009 Chevy Silverado?

For Chevrolet Silverado (GMT900) second generation 2009 model year. Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, Hybrid. Instrument Panel (I/P) fuse block. Instrument Panel (I/P) fuse block is located at the left side of the I/P behind the side trim panel. fuse box diagram (2009).

Where is the auxiliary fuse block located on a Toyota Corolla?

Auxiliary fuse block (HP2) (hybrid). Auxiliary fuse block (HP2) is located on left side of engine compartment, near engine control module. Lift the cover for access to the fuse/relay block.

How do you remove a fuse from a fuse box?

To remove fuses, hold the end of the fuse between your thumb and index finger and pull straight out. You may have spare fuses located behind the fuse block access door. These can be used to replace a bad fuse.

When to replace a fuse in a car?

Just pick some feature of your vehicle that you can get along without – like the radio or cigarette lighter – and use its fuse if it is the correct amperage. Replace it as soon as you can. Before replacing a fuse check that the key has been removed from the ignition and that all the services are switched off and/or disengaged.