B1970 Pontiac Code - Exterior Ligth Power Fault
Quick Answer
The Body Control Module (BCM) commands exterior lights on by energizing Low Beam and Parking Light Relays. Common causes include Faulty Low Beam and Parking Light Relay, Low Beam and Parking Light Relay harness is open or shorted, Low Beam and Parking Light 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
- B1970 Pontiac indicates Exterior Ligth Power Fault.
- Common causes
- Common causes include Faulty Low Beam and Parking Light Relay, Low Beam and Parking Light Relay harness is open or shorted, Low Beam and Parking Light 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 B1970 Pontiac Description
What are the Possible Causes of the DTC B1970 Pontiac?
- Faulty Low Beam and Parking Light Relay
- Low Beam and Parking Light Relay harness is open or shorted
- Low Beam and Parking Light Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1970 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 B1970 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 B1970 Pontiac Code
1. What are the common symptoms of OBDII code B1970 on a Pontiac related to exterior light power fault?
- The common symptoms include malfunctioning exterior lights such as headlights, tail lights, brake lights, or turn signals.
2. What are the possible causes of OBDII code B1970 indicating an exterior light power fault in a Pontiac?
- Possible causes may include a faulty light control module, damaged wiring or connectors, a blown fuse, or a malfunctioning light switch.
3. How can I diagnose the OBDII code B1970 on my Pontiac related to exterior light power fault?
- Diagnosis involves checking the condition of the exterior lights, inspecting the wiring and connectors for damage, testing the light control module, and verifying the functionality of the light switch.
4. Is it safe to continue driving my Pontiac with OBDII code B1970 indicating an exterior light power fault?
- It is not recommended to drive your Pontiac with malfunctioning exterior lights as it can compromise your safety and the safety of other drivers on the road.
5. Can I repair OBDII code B1970 related to exterior light power fault in my Pontiac on my own?
- Depending on your automotive repair skills, you may be able to address simple causes such as replacing a blown fuse or reconnecting loose wiring. However, complex issues may require professional diagnosis and repair.
6. Are there any quick tips to troubleshoot OBDII code B1970 on a Pontiac for an exterior light power fault?
- Quick tips include checking the fuse box for blown fuses, inspecting the exterior lights for any visible damage, and testing the light switch for proper functionality.
7. How much does it typically cost to repair OBDII code B1970 related to exterior light power fault in a Pontiac?
- The cost of repair can vary depending on the specific cause of the issue. Simple fixes like replacing a fuse may be relatively inexpensive, while replacing a faulty control module can be more costly.
8. Can extreme weather conditions affect the occurrence of OBDII code B1970 on a Pontiac related to exterior light power fault?
- Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially damage the exterior lights, wiring, or connectors, leading to the occurrence of this fault code.
9. How often should I check the exterior lights on my Pontiac to prevent OBDII code B1970 from occurring?
- It is recommended to regularly inspect the condition of your Pontiac's exterior lights, including headlights, tail lights, brake lights, and turn signals, to detect any issues early and prevent the occurrence of fault codes like B1970.
10. Is there a way to reset OBDII code B1970 on a Pontiac after repairing the exterior light power fault?
- Once the underlying issue causing the code has been fixed, the code can typically be reset using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the error code from the system.
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