B1374 Code - Illuminated Entry Relay Short To Ground
Quick Answer
The Body Control Module (BCM) monitors the Illuminated Entry Relay. Common causes include Faulty Illuminated Entry Relay, Illuminated Entry Relay harness is open or shorted, Illuminated Entry 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
- B1374 indicates Illuminated Entry Relay Short To Ground.
- Common causes
- Common causes include Faulty Illuminated Entry Relay, Illuminated Entry Relay harness is open or shorted, Illuminated Entry 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.
Code B1374 Description
What are the Possible Causes of the DTC B1374?
- Faulty Illuminated Entry Relay
- Illuminated Entry Relay harness is open or shorted
- Illuminated Entry Relay circuit poor electrical connection
How to Fix the DTC B1374?
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 B1374 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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Information for Specific Makes
- B1374 Buick — Ignition 1 Fault
- B1374 Cadillac — Ignition 1 Fault
- B1374 Chevrolet — Ignition 1 Fault
- B1374 Ford — Illuminated Entry Relay Short To Ground
- B1374 GMC — Ignition 1 Fault
- B1374 Lincoln — Illuminated Entry Relay Short To Ground
- B1374 Mercury — Illuminated Entry Relay Short To Ground
- B1374 Oldsmobile — Ignition 1 Fault
- B1374 Pontiac — Ignition 1 Fault
- B1374 Saturn — Ignition 1 Fault
Frequently Asked Questions about B1374 Code
1. What are the common symptoms of an illuminated entry relay short to ground issue (OBDII code B1374)?
- Common symptoms include the interior lights not turning off, the vehicle's battery draining quickly, and possible issues with the keyless entry system.
2. What can cause the illuminated entry relay to short to ground?
- The most common causes include damaged wiring, a faulty relay, or a short circuit in the illuminated entry system.
3. How can I diagnose an illuminated entry relay short to ground issue?
- To diagnose this issue, you can use a multimeter to test the continuity of the wiring, check the relay for proper function, and inspect for any visible damage or corrosion.
4. Can I still drive my vehicle with the B1374 OBDII code present?
- It is generally safe to drive with this code, but it is recommended to address the issue promptly to avoid potential electrical problems and battery drainage.
5. How can I repair an illuminated entry relay short to ground issue?
- Repairing this issue involves identifying and fixing the root cause, which may include repairing or replacing damaged wiring, replacing the faulty relay, or addressing any short circuits.
6. Will resetting the OBDII code B1374 fix the illuminated entry relay short to ground problem?
- Resetting the code may clear the error temporarily, but it will not resolve the underlying issue causing the relay short to ground. It is important to diagnose and fix the problem to prevent further issues.
7. Are there any safety concerns associated with an illuminated entry relay short to ground problem?
- While this issue may not directly impact the safety of driving the vehicle, it can lead to electrical malfunctions and potential battery drain, so it is best to address it promptly.
8. Can a DIY enthusiast fix the illuminated entry relay short to ground issue?
- Depending on the extent of the issue and the individual's skill level, a DIY enthusiast may be able to diagnose and repair this problem with the proper tools and knowledge of automotive electrical systems.
9. How much does it cost to repair an illuminated entry relay short to ground problem?
- The cost of repair can vary depending on the root cause of the issue, the need for replacement parts, and whether you choose to do the repair yourself or seek professional assistance.
10. What other OBDII codes may be related to an illuminated entry relay short to ground issue?
- Other related OBDII codes may include B1373 (Illuminated Entry Relay Circuit Short to Battery) or B1375 (Illuminated Entry Relay Circuit Open).
Discuss the causes and fixes for B1374 OBDII Code
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