P1686 Chevrolet Code - Transmission Control Module Power Up Temperature Sensor Circuit High Voltage
Quick Answer
The Transmission Control Module (TCM) power up the temperature sensor is located inside of the control solenoid (w/body and TCM) valve assembly and has no serviceable parts. Common causes include Reprogram TCM and recheck code, Replace Transmission Control Module (TCM) Sensor/body assembly one piece. 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
- P1686 Chevrolet indicates Transmission Control Module Power Up Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Reprogram TCM and recheck code, Replace Transmission Control Module (TCM) Sensor/body assembly one piece.
- 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 P1686 Chevrolet Description
What are the Possible Causes of the DTC P1686 Chevrolet?
- Reprogram TCM and recheck code
- Replace Transmission Control Module (TCM) Sensor/body assembly one piece
How to Fix the DTC P1686 Chevrolet?
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 P1686 Chevrolet 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 P1686 Chevrolet Code
1. What are the common symptoms of OBDII code P1686 in a Chevrolet related to the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- Common symptoms include issues with shifting gears, poor acceleration, and in some cases, the vehicle may go into limp mode.
2. What are the possible causes of OBDII code P1686 in a Chevrolet indicating an issue with the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- The possible causes can include a faulty temperature sensor, wiring issues, a malfunctioning transmission control module, or a problem with the power circuit.
3. How can I diagnose OBDII code P1686 in a Chevrolet that points to the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- Diagnosis involves checking the temperature sensor's resistance, inspecting the wiring for any damage, testing the transmission control module, and verifying the power supply to the sensor.
4. Is it safe to continue driving with OBDII code P1686 in a Chevrolet related to the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- It is not recommended to drive the vehicle with this code present, as it can lead to further transmission issues and potential safety hazards.
5. Can resetting the OBDII code P1686 in a Chevrolet fix the issue with the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the code to trigger.
6. How much does it typically cost to repair OBDII code P1686 in a Chevrolet linked to the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from $200 to $500 or more, including parts and labor.
7. Are there any DIY repair tips for addressing OBDII code P1686 in a Chevrolet related to the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- DIY tips may include checking and cleaning the sensor connections, inspecting the wiring for any visible damage, and ensuring the power supply is intact before seeking professional help if needed.
8. How urgent is it to address OBDII code P1686 in a Chevrolet indicating a problem with the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- It is advisable to address the issue promptly to prevent further damage to the transmission system and ensure the vehicle operates safely and efficiently.
9. Can a faulty battery or alternator cause OBDII code P1686 in a Chevrolet related to the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- While a weak battery or alternator can sometimes cause electrical issues, they are less likely to be directly responsible for triggering this specific code. It is important to focus on diagnosing the sensor, wiring, and control module first.
10. Will driving in extreme temperatures or harsh weather conditions trigger OBDII code P1686 in a Chevrolet regarding the Transmission Control Module Power Up Temperature Sensor Circuit High Voltage?
- Extreme temperatures or weather conditions can potentially exacerbate existing issues with the temperature sensor circuit, leading to the code being triggered. Regular maintenance and inspections can help prevent such problems.
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