2007 dodge nitro -had a sensor scan done. what does Low battery voltage mean and brake sensor fluid high?

If you mean the Air Conditioning and its compressor, yes it does. Press CTRL+F and type 'air'.

Fuse Box Diagram Dodge Nitro (2007-2012) - Fuse-Box.info

https://fuse-box.info > dodge > dodge-nitro-2007-2012...

2011, 2012 - The Integrated Power Module (IPM) is located in the engine compartment near the battery. This center contains cartridge fuses, mini ...

Could be low on fluid or air in the system

2007 Dodge Nitro Recalls - Cars.com

www.cars.com/recalls/dodge/nitro/2007/

Cars.comLook up all NHTSA vehicle safety recalls for your 2007 Dodge Nitro, and contact ...THE TRANSFER CASE HEAT SHIELD MAY DROP DOWN AND RUB ON THE ...ADDITIONALLY, THE DRIVE SHAFT FAILURE WILL RESULT IN A LOSS OF ...

Differential and Transfer Case ' Dodge Nitro Forum

www.nitroforumz.com > ... > Detailing and General Maintenance Forum
Jul 24, 2010 - Vehicle: 2007 Nitro 4X4. Trim: SLT. Color: Black. Found this while searching for instructions on Front/Rear Axle and Transfer case fluid changes ... transfer case leak
Aug 21, 2014
Front Axle CV Joint
Nov 24, 2013
Leaky Transfer Case
Oct 4, 2011
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Stop Lamps
your br
The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The brake pedal position sensor provides an analog voltage signal that will increase as the brake pedal is applied. The body control module (BCM) provides a low reference signal and a 5-volt reference voltage to the brake pedal position sensor. When the variable signal reaches a voltage threshold indicating the brakes have been applied, the BCM will apply battery positive voltage to the stop lamps, transmission control module (TCM), engine control module (ECM), and stop lamp relay coil side. When the stop lamp relay receives battery voltage from the BCM, the relay coil is energized and the stop lamp relay switch contacts close applying battery voltage through the STOP LP fuse to illuminate the center high mounted stop lamp (CHMSL).
I'd say you have more then a bad fuse ,just reading how the brake lights function .You should have it hooked up to a professional grade scan tool ,one that can check for DTC'S - diagnostic trouble codes in the BCM - body control module !

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the Brake Pedal Position Sensor parameter in the data list for the body control module (BCM).
4. Apply and release the brake pedal.

Does the scan tool display a change in the voltage?

DTC B3903 Stop Lamp Relay Circuit DTC C0277 Brake Pedal Position Sensor Circuit
DTC C0278
Did you perform the Diagnostic System Check - Vehicle?
Go to Step 2
Go to Diagnostic System Check - Vehicle

2

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.

Does the scan tool display DTC C0278 00?
Go to Step 3
Go to Testing for Intermittent Conditions and Poor Connections

3

Recalibrate the brake position sensor.

Circuit Description
DTC C0870
The body control module (BCM) applies a ground through the brake sensor reference low circuit to the brake pedal position (BPP) sensor. The BCM supplies a 5-volt reference through the brake sensor reference voltage circuit to the brake position sensor. When the brake pedal is being applied, the BPP sensor then sends a variable voltage signal through the brake sensor signal circuit to the BCM.
Circuit/System Verification

1. Ignition ON, observe the scan tool Brake Lamp Cmd. parameter as you apply and unapply the brake pedal. The parameter should change between OFF and ON as the brake pedal is applied and released.
?‡'
If the parameter does not change as the brake pedal is applied and released, refer to Brake Pedal Position Sensor (BPPS) Malfunction.

2. With a scan tool, command the LR Stop/Turn Signal Lamp ON and OFF. The LR turn signal should turn ON and OFF when changing between the commanded states.
?‡'
If the LR stop lamp does not illuminate when commanded, refer to Stop Lamps Malfunction.

3. With a scan tool, command the RR Stop/Turn Signal Lamp ON and OFF. The RR turn signal should turn ON and OFF when changing between the commanded states.

?‡'
If the RR stop lamp does not illuminate when commanded, refer to Stop Lamps Malfunction.

I
I'd

check battery connections (check battery voltage to)
then check for voltage at fuse panel

Sounds like your brake fluid is low. Make sure your master brake cylinder is full of brake fluid and check all the brake lines from the master cylinder to all four wheels and check all four wheels for fluid leaking. You should see wet areas if there is a leak. If there are no leaks you could have a bad brake cylinder its self.

You replaced the resistor and WHAT relay? The blower motor circuit on a 2007 Dodge Nitro does not use a relay.

The blower resistor gets it's power from the A/C - heater control unit.

If you check for voltage at the blower motor resistor connector (Key on, relay disconnected), the DARK BLUE/GREY wire should be hot when the control switch is on HIGH. The DARK BLUE/VIOLET wire should be hot with the switch in the MEDIUM 2 position.The DARK BLUE/ORANGE wire should be hot with the switch in the MEDIUM 1 position. The DARK BLUE/BROWN wire should be hot with the switch on LOW.

If any of these are not as stated above, then you either have a bad A/C - heater control unit, or faulty wiring between the control unit and the resistor.

This indicates that your windshield washer fluid level is low. It's like the low fuel light, it gives you times to get some before you run out. If you check the washer fluid level and it is not low then the sensor is faulty.

best wishes

Perry,is it the brake light or abs light ? check your fluid and also the e-brake handle to see that it is released all the way.On the Nitro's the brake fluid sensor can give some trouble if its exposed to dirty fluid or extreme cold.

That would be your rev limiter or your map sensor.