B1628 Chrysler Code - Cargo Lamp Control Circuit High
Quick Answer
The B1628 diagnostic trouble code (DTC) indicates a malfunction in the cargo lamp control circuit of Chrysler vehicles. Common causes include Short Circuit: A short in the wiring harness can cause excessive voltage to be sent to the cargo lamp circuit, Faulty Relay: A malfunctioning relay that controls the cargo lamp may lead to incorrect voltage levels, Damaged Wiring: Frayed or damaged wires in the circuit can create high resistance or unintended connections. 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
- B1628 Chrysler indicates Cargo Lamp Control Circuit High.
- Common causes
- Common causes include Short Circuit: A short in the wiring harness can cause excessive voltage to be sent to the cargo lamp circuit, Faulty Relay: A malfunctioning relay that controls the cargo lamp may lead to incorrect voltage levels, Damaged Wiring: Frayed or damaged wires in the circuit can create high resistance or unintended connections.
- 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 B1628 Chrysler Description
The B1628 diagnostic trouble code (DTC) indicates a malfunction in the cargo lamp control circuit of Chrysler vehicles. This code specifically points to a high voltage condition detected in the cargo lamp circuit, which can disrupt the normal operation of the cargo lamps. The cargo lamp is typically used to illuminate the rear cargo area of a vehicle, providing visibility for loading and unloading items, especially in low-light conditions.
Common Causes of B1628 Chrysler
- Short Circuit: A short in the wiring harness can cause excessive voltage to be sent to the cargo lamp circuit.
- Faulty Relay: A malfunctioning relay that controls the cargo lamp may lead to incorrect voltage levels.
- Damaged Wiring: Frayed or damaged wires in the circuit can create high resistance or unintended connections.
- Defective Switch: A faulty cargo lamp switch may not properly regulate the voltage, leading to a high voltage condition.
- Corrosion or Poor Connections: Corroded connectors or poor ground connections can disrupt the circuit's normal operation, causing voltage issues.
Symptoms of B1628 Chrysler
- Inoperative Cargo Lamp: The most direct symptom is that the cargo lamp does not illuminate when activated.
- Flickering or Intermittent Lighting: The cargo lamp may flicker or only work sporadically, indicating a potential electrical issue.
- Blown Fuses: A blown fuse related to the cargo lamp circuit may be observed, which can be a direct result of the high voltage condition.
- Warning Lights on Dashboard: The vehicle’s dashboard may display warning lights, indicating an electrical system issue.
- Electrical Malfunctions in Other Systems: Other electrical components may exhibit erratic behavior, such as dimming lights or malfunctioning switches.
How to Fix B1628 Chrysler
- Visual Inspection: Start with a thorough visual inspection of the cargo lamp circuit, including the wiring, connectors, and switch for any obvious signs of damage or corrosion.
- Test Voltage Levels: Use a multimeter to check voltage levels at various points in the circuit to identify where the high voltage condition is occurring.
- Check and Replace Fuses: Inspect and replace any blown fuses related to the cargo lamp circuit, as this may resolve the issue.
- Repair or Replace Wiring: If damaged wiring is found, repair or replace it to restore proper circuit function.
- Test and Replace Components: If the relay or switch is found to be defective, replace these components and retest the system to ensure proper operation.
Cost to Fix B1628 Chrysler
The typical repair costs for addressing the B1628 code can vary widely based on the specific diagnosis and repairs needed. On average, you might expect to pay between $100 to $300 for repairs, which includes parts and labor. Labor costs can fluctuate depending on the shop's location, with most auto repair shops charging between $80 and $150 per hour. In metropolitan areas or at dealerships, rates may be higher, while independent shops often offer lower rates. It’s advisable to check local rates for a more precise estimate, as well as to obtain a detailed quote after a thorough diagnosis.
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Frequently Asked Questions about B1628 Chrysler Code
1. What are the common symptoms of OBDII code B1628 Chrysler (Cargo Lamp Control Circuit High)?
The common symptoms include the cargo lamp staying illuminated constantly or flickering intermittently.
2. What are the possible causes of OBDII code B1628 Chrysler?
Possible causes of this code include a faulty cargo lamp control module, damaged wiring harness, or a short circuit in the cargo lamp control circuit.
3. How can I diagnose OBDII code B1628 Chrysler?
To diagnose this code, you can use a diagnostic scanner to retrieve the trouble codes, visually inspect the cargo lamp control circuit for any visible damage, and perform a continuity test on the wiring harness.
4. What are some repair tips for fixing OBDII code B1628 Chrysler?
Repair tips include checking and repairing any damaged wiring in the cargo lamp control circuit, replacing the cargo lamp control module if necessary, and ensuring all connections are secure.
5. Can OBDII code B1628 Chrysler cause any other issues with the vehicle?
While this code typically only affects the cargo lamp control circuit, it's essential to address it promptly to prevent any potential electrical issues or drain on the vehicle's battery.
6. How do I reset OBDII code B1628 Chrysler after repairing the issue?
After fixing the problem causing the code, you can reset the code using a diagnostic scanner or by disconnecting the vehicle's battery for a few minutes and then reconnecting it.
7. Is it safe to continue driving with OBDII code B1628 Chrysler active?
While the code itself may not affect the drivability of the vehicle, it's recommended to address the underlying issue promptly to prevent any potential electrical problems or drain on the battery.
8. Can extreme weather conditions trigger OBDII code B1628 Chrysler?
Extreme weather conditions, such as moisture or temperature fluctuations, can potentially cause electrical issues leading to this code. Proper insulation and maintenance can help prevent such occurrences.
9. How common is OBDII code B1628 Chrysler in Chrysler vehicles?
While not one of the most common OBDII codes, B1628 may still occur in Chrysler vehicles with cargo lamp control circuitry, especially in older models or those with wiring issues.
10. Are there any preventive measures to avoid OBDII code B1628 Chrysler?
Regularly inspecting the cargo lamp control circuit for any signs of damage, ensuring all connections are secure, and addressing any electrical issues promptly can help prevent the occurrence of this code.
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