B3723 Pontiac Code - Rear Wiper Relay Drive Circuit High
Quick Answer
When operation of the rear wiper is selected, battery voltage from the rear wiper switch is applied to the rear wiper switch signal input circuit of the Body Control Module (BCM)). Common causes include Faulty Rear Wiper Relay, Rear Wiper Relay harness is open or shorted, Rear Wiper 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
- B3723 Pontiac indicates Rear Wiper Relay Drive Circuit High.
- Common causes
- Common causes include Faulty Rear Wiper Relay, Rear Wiper Relay harness is open or shorted, Rear Wiper 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 B3723 Pontiac Description
What are the Possible Causes of the DTC B3723 Pontiac?
- Faulty Rear Wiper Relay
- Rear Wiper Relay harness is open or shorted
- Rear Wiper Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3723 Pontiac?
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 B3723 Pontiac 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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Frequently Asked Questions about B3723 Pontiac Code
1. What does the OBDII code B3723 mean for a Pontiac?
The B3723 code indicates an issue with the Rear Wiper Relay Drive Circuit, specifically that it is showing a high voltage condition.
2. What are the common symptoms of code B3723 in a Pontiac?
Common symptoms include the rear wiper not functioning, the wiper getting stuck in one position, or erratic wiper behavior.
3. What causes the B3723 code to appear in a Pontiac?
The main causes include a faulty rear wiper relay, damaged wiring or connectors in the wiper circuit, or a malfunctioning rear wiper motor.
4. Can a bad relay cause the B3723 code?
Yes, a bad rear wiper relay can cause the circuit to show high voltage, triggering the B3723 code.
5. How can I diagnose the B3723 code in a Pontiac?
Start by inspecting the rear wiper relay, wiring, and connectors for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit.
6. Is it safe to drive with the B3723 code present?
Yes, it is generally safe to drive, but the rear wiper may not function properly, which can be a problem in poor weather conditions.
7. How do I fix the B3723 code on my Pontiac?
Repairs may include replacing the rear wiper relay, repairing damaged wiring or connectors, or replacing the rear wiper motor if it’s faulty.
8. How much does it cost to repair the B3723 code?
The repair cost varies, but replacing a rear wiper relay typically costs $20-$50 for the part, while labor costs can depend on the shop rate.
9. Can I clear the B3723 code without repairing it?
You can clear the code with an OBDII scanner, but if the problem isn’t fixed, the code will likely return.
10. Does the B3723 code affect other vehicle systems?
No, the B3723 code is specific to the rear wiper system and does not usually impact other vehicle systems.
Discuss the causes and fixes for B3723 Pontiac OBDII Code
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