U1016 Saturn Code - Lost Communications With Powertrain/Engine Control Module
Quick Answer
Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Common causes include Faulty Powertrain/Engine Control Module (PCM/ECM), Powertrain/Engine Control Module harness is open or shorted, Powertrain/Engine Control Module 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
- U1016 Saturn indicates Lost Communications With Powertrain/Engine Control Module.
- Common causes
- Common causes include Faulty Powertrain/Engine Control Module (PCM/ECM), Powertrain/Engine Control Module harness is open or shorted, Powertrain/Engine Control Module 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 U1016 Saturn Description
What are the Possible Causes of the DTC U1016 Saturn?
- Faulty Powertrain/Engine Control Module (PCM/ECM)
- Powertrain/Engine Control Module harness is open or shorted
- Powertrain/Engine Control Module circuit poor electrical connection
How to Fix the DTC U1016 Saturn?
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.
Code Tech Notes
It can occur if:
Someone changes a battery while the ignition switch is left on, that is, left in the RUN position.
Someone flashes/upgrades their engine controller - other modules unable to communicate with the PCM during this process - this will set U1016 at a multitude of controllers on the vehicle - all false codes. Erase and carry on.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U1016 Saturn 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.
Need more information about the U1016 Saturn code?
Need more information on how to fix the U1016 Saturn code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U1016 Saturn code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U1016 Saturn Code
1. What does the OBDII code U1016 for Saturn mean?
The U1016 code indicates a communication problem between the vehicle's powertrain or engine control module and other modules in the vehicle.
2. What are common symptoms of the U1016 code in a Saturn?
Common symptoms of the U1016 code may include engine stalling, rough idling, poor fuel efficiency, and issues with the transmission shifting smoothly.
3. What are possible causes of the U1016 code in a Saturn?
Possible causes of the U1016 code include faulty wiring connections, a defective powertrain or engine control module, a malfunctioning communication network, or a drained or faulty battery.
4. How do I diagnose the U1016 code in my Saturn?
Diagnosing the U1016 code typically involves using a professional OBDII scanner to read the code, checking the wiring connections for any signs of damage, and testing the powertrain or engine control module for proper functionality.
5. Can I still drive my Saturn with the U1016 code present?
It is not recommended to drive your Saturn with the U1016 code present, as it can lead to further damage to the vehicle and potentially unsafe driving conditions.
6. How can I repair the U1016 code in my Saturn?
Repairing the U1016 code may involve fixing any damaged wiring connections, replacing the faulty powertrain or engine control module, reprogramming the modules, or addressing any underlying issues with the communication network.
7. Is it possible to reset the U1016 code in a Saturn without repairs?
While clearing the U1016 code with an OBDII scanner may temporarily turn off the check engine light, the underlying issue causing the code will still need to be addressed to prevent it from reoccurring.
8. Are there any preventive measures to avoid the U1016 code in a Saturn?
Regularly maintaining your Saturn, ensuring proper battery health, and addressing any electrical issues promptly can help prevent the U1016 code from appearing.
9. How much does it typically cost to fix the U1016 code in a Saturn?
The cost of fixing the U1016 code in a Saturn can vary depending on the specific cause of the issue, the extent of repairs needed, and labor costs at a repair shop. It is recommended to obtain quotes from different mechanics for an accurate estimate.
10. Can a DIY enthusiast fix the U1016 code in a Saturn?
While some experienced DIY enthusiasts may be able to diagnose and repair the U1016 code in a Saturn, it is recommended to consult with a professional mechanic for accurate diagnosis and proper repairs to ensure the issue is resolved effectively.
Discuss the causes and fixes for U1016 Saturn OBDII Code
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i have a U0100 code Lost communication with ECM/PCM A there is good voltage but will not spin the car over to start. wife pulled the 2010 saturn outlook up to the house to load it up and turned the key to start and it doesn't turn over. what should I check?
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AP
Andy Peterson
a minute ago
i have a U0100 code Lost communication with ECM/PCM A there is good voltage but will not spin the car over to start. wife pulled the 2010 saturn outlook up to the house to load it up and turned the key to start and it doesn't turn over. what should I check?
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