What Brands Will the C1000 Code Cover?
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The C1000 code usually indicates a brake light (lamp) switch issue with Dodge vehicles. Essentially, this signals a connection issue that leads to your vehicle’s brake lamps not working properly.
The code also ties into other issues with automatic transmission systems in brands like Ford, but the most prevalent issue that might generate this code is the brake pedal switch one circuit performance. You can find this code tied to brands like Jeep and the rest of the Chrysler manufacturer family.
Dodge C1000 Brake Pedal Switch Performance Description
The Anti-Lock Braking System (ABS) module triggers a C1000 code when there’s an invalid signal between the master cylinder pressure applied and the brake light switch output circuit for two minutes or longer. Essentially, this means that your brake lights will stay lit up while you’re driving. This code is set until it meets factory conditions to reactivate the brake lights.
For Ford’s C1000 issue relating to the automatic transmission, you’ll find that you’ll experience rough shifting patterns while driving. Your car might also stall unexpectedly when you’re stopped, and you may have issues getting back into gear.
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What Is the C1000 Code?
What Is a C1000 Code for a Dodge?
The Totally Integrated Power Module (TIPM) monitors the brake switch circuit continuously every three minutes. Whenever this module notices that the primary brake switch signal is still active, but the stop lights are disabled, it sets the C1000 code. The stop lights reactivate when the request is present during the next key cycle.
What Are the Symptoms of a C1000 Code?
The most common symptoms with a C1000 code on your Dodge are that your brake lights stay illuminated continuously as you’re driving. The actual performance of the braking system may not be affected, but your ABS light could stay lit up. Whenever the ABS light is illuminated, this is always accompanied by a check engine light. This can be a problem because the driver typically has no idea that the brake lights are continuously on, unless they can view their vehicle from the outside.
What Are Some Causes of a C1000 Code?
The most common cause of a C1000 issue with your Dodge is that your brake signal 1 circuit could be shorted. Also, if the ABS or Body Control Module (BCM) detects low voltage, the code can trigger. Any interruption to the circuit that causes inconsistent voltage traveling to the brake light (lamp) switch can also cause the code to trigger.
Another cause of the C1000 code is if the ABS module itself isn’t operating correctly. If the ABS module is unable to effectively communicate with the braking system and the brake lights themselves, it will trigger the C1000 code. The TIPM itself is sometimes the cause of the C1000 code setting and should be examined. For more information on brake repairs, visit KBB.com’s brake repair guide.
How Serious Is the C1000 Code?
The C1000 code centers around the functioning of the brake light switch and the brake lights themselves. Because of this, it’s considered a relatively mild issue. It can lead to more hazardous issues if the ABS module itself is defective, and in these cases, you should consult a technician. That’s because the ABS module may not be operating to its fullest capabilities. However, it usually just means you need to have the brake light circuit inspected so that your brake lamps can resume operating as they normally would.
How Easy Is It to Diagnose a C1000 Code?
Since the C1000 code deals with the brake light (lamp) switch output, it’s relatively straightforward to diagnose. You can start by inspecting the vehicle with the vehicle in KEY ON ignition mode and with the engine running to compare any differences in voltage levels. You’ll need 12-volt testing meters since this tells you what the normal operating levels currently are as well as what they should be. With this information, a trained technician can diagnose the C1000 issue and make the right repairs.
How Difficult Is It to Inspect a C1000 Code?
Inspecting a C1000 code by a mechanic requires isolating where in the brake light switch output circuit there’s a short or interruption to the voltage. sometimes, they’ll need to replace the stop lamp switch harness if it’s at fault. This also applies to the ABS module itself. If it’s defective, then replacing it entails pulling the old unit and hooking up the new one.
Inspecting a C1000 might result in the cause being a bad harness containing the brake light switch. But if the issue requires multiple voltage tests and circuit inspection, it’s better left to a trained technician. This is because you can misdiagnose the root cause of the issue and end up causing yourself more damage than savings.
Need Additional Help with Your C1000 Code?
For information on where to service your ABS or any other braking issues, KBB.com can help.
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