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AutoCodes – Generic – B2560:01

B2560:01 Code - Cargo Lamps Control Circuit Short to Battery

Quick Answer

The cargo lamp relay is always supplied with battery voltage. Common causes include Faulty Cargo Lamp Relay, Cargo Lamp Relay harness is open or shorted, Cargo Lamp Relay circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B2560:01 indicates Cargo Lamps Control Circuit Short to Battery.
Common causes
Common causes include Faulty Cargo Lamp Relay, Cargo Lamp Relay harness is open or shorted, Cargo Lamp Relay circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 479
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on May 25, 2023
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Code B2560:01 Description

The cargo lamp relay is always supplied with battery voltage. The cargo lamp switch signal circuit is grounded momentarily by pressing the cargo lamp switch. The Body Control Module (BCM) energizes the cargo lamp relay by applying ground to the cargo lamp relay control circuit. When the cargo lamp relay is energized, the relay switch contacts close, and battery voltage is applied through the fuse to the cargo lamp control circuit which illuminates the cargo lamps. The Diagnostic Trouble Code (DTC) will be set when the BCM detects a short to voltage in the cargo lamp relay control circuit for 5 seconds or greater.
OBDII Code B2560:01 - Cargo Lamps Control Circuit Short to Battery - AutoCodes.com
B2560:01 Code - Cargo Lamps Control Circuit Short to Battery
What does this mean?

What are the Possible Causes of the DTC B2560:01?

  • Faulty Cargo Lamp Relay
  • Cargo Lamp Relay harness is open or shorted
  • Cargo Lamp Relay circuit poor electrical connection
  • Faulty Cargo Lamp Switch
  • Faulty Cargo Lamp
  • Faulty Body Control Module (BCM)

How to Fix the DTC B2560:01?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2560:01 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2560:01 Code

1. What does the OBDII code B2560:01 mean?

The code B2560:01 indicates a "Cargo Lamps Control Circuit Short to Battery," meaning there is a short circuit in the wiring or components controlling the cargo lamps.

2. What are the common symptoms of the B2560:01 code?

The cargo lamps may stay on continuously, fail to turn off, or behave erratically. You may also notice a drained battery.

3. What causes the B2560:01 code to appear?

This code is typically caused by damaged or shorted wiring, a faulty cargo lamp switch, a malfunctioning relay, or a defective body control module (BCM).

4. Can the B2560:01 code cause further vehicle issues?

Yes, if unresolved, it can lead to a drained battery or potential overheating of electrical components due to the short circuit.

5. How do you diagnose the B2560:01 code?

Start by inspecting the cargo lamp wiring for damage or corrosion, test the cargo lamp switch for proper operation, and check for a stuck relay or BCM faults.

6. Can I drive with the B2560:01 code active?

While the vehicle is generally safe to drive, addressing the issue promptly is important to avoid battery drainage or further electrical problems.

7. How do you fix the B2560:01 code?

Repairs may include fixing or replacing damaged wiring, replacing a faulty cargo lamp switch, replacing a stuck relay, or reprogramming/repairing the BCM.

8. How much does it cost to repair the B2560:01 code?

The repair cost varies depending on the issue, ranging from $50 for minor wiring repairs to several hundred dollars if the BCM needs replacement or reprogramming.

9. Can I reset the B2560:01 code without repairing the issue?

Resetting the code without fixing the problem may temporarily clear the warning, but the issue will likely persist and trigger the code again.

10. Is the B2560:01 code specific to certain vehicles?

This code can appear in various makes and models, but the exact repair steps may vary depending on the vehicle's electrical system design.

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