B1947 Code - Climate Control A/C Post Evaporator Sensor Circuit Short To Ground
Quick Answer
The Dual Automatic Temperature Control (DATC) Module monitors the Climate Control A/C Post Evaporator Sensor. Common causes include Faulty Climate Control A/C Post Evaporator Sensor, Climate Control A/C Post Evaporator Sensor harness is open or shorted, Climate Control A/C Post Evaporator Sensor 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
- B1947 indicates Climate Control A/C Post Evaporator Sensor Circuit Short To Ground.
- Common causes
- Common causes include Faulty Climate Control A/C Post Evaporator Sensor, Climate Control A/C Post Evaporator Sensor harness is open or shorted, Climate Control A/C Post Evaporator Sensor 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 B1947 Description
What are the Possible Causes of the DTC B1947?
- Faulty Climate Control A/C Post Evaporator Sensor
- Climate Control A/C Post Evaporator Sensor harness is open or shorted
- Climate Control A/C Post Evaporator Sensor circuit poor electrical connection
- Faulty Dual Automatic Temperature Control (DATC)
How to Fix the DTC B1947?
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 B1947 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
- B1947 Ford — Climate Control A/C Post Evaporator Sensor Circuit Short To Ground
- B1947 Lincoln — Climate Control A/C Post Evaporator Sensor Circuit Short To Ground
- B1947 Mercury — Climate Control A/C Post Evaporator Sensor Circuit Short To Ground
Frequently Asked Questions about B1947 Code
1. What are the common symptoms of OBDII code B1947?
The common symptoms of OBDII code B1947 include a malfunctioning climate control system, irregular cooling or heating of the vehicle cabin, and potentially a complete failure of the A/C system.
2. What could cause the Climate Control A/C Post Evaporator Sensor Circuit to short to ground?
Common causes of the Climate Control A/C Post Evaporator Sensor Circuit shorting to ground include damaged wiring, a faulty sensor, or issues with the climate control module.
3. How can I diagnose the short to ground issue in the Climate Control A/C Post Evaporator Sensor Circuit?
Diagnosing the short to ground issue typically involves inspecting the wiring harness for any visible damage, testing the sensor for functionality, and using a multimeter to check for continuity and shorts in the circuit.
4. Can a DIYer repair the Climate Control A/C Post Evaporator Sensor Circuit short to ground issue?
Repairing the short to ground issue in the Climate Control A/C Post Evaporator Sensor Circuit may require a good understanding of automotive electrical systems. It is recommended to consult a professional mechanic for accurate diagnosis and repair.
5. What are the potential dangers of ignoring OBDII code B1947?
Ignoring OBDII code B1947 can lead to further damage to the climate control system, reduced comfort while driving, and potential safety hazards if the A/C system fails during extreme weather conditions.
6. Is it safe to continue driving with OBDII code B1947 triggered?
It is not advisable to continue driving with OBDII code B1947 triggered, as it may result in unreliable climate control operation and potential A/C system failure, affecting your comfort and safety while driving.
7. How much does it typically cost to repair the Climate Control A/C Post Evaporator Sensor Circuit short to ground issue?
The cost of repairing the Climate Control A/C Post Evaporator Sensor Circuit short to ground can vary depending on the extent of the damage, parts needed, and labor costs. It is recommended to obtain quotes from different repair shops.
8. Can a faulty climate control module trigger OBDII code B1947?
Yes, a faulty climate control module can potentially trigger OBDII code B1947 if it causes a short to ground in the A/C Post Evaporator Sensor Circuit.
9. Are there any preventive measures to avoid OBDII code B1947 in the future?
To prevent OBDII code B1947 in the future, it is advisable to regularly inspect the climate control system components, ensure proper maintenance of the A/C system, and address any electrical issues promptly.
10. How long does it typically take to repair the Climate Control A/C Post Evaporator Sensor Circuit short to ground issue?
The repair time for the Climate Control A/C Post Evaporator Sensor Circuit short to ground issue can vary based on the complexity of the diagnosis and the extent of the repairs needed. It is recommended to consult with a professional mechanic for an accurate estimate.
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