U1528 GMC Code - Driver/Passenger Seat Memory Control Module Lost Communication With Driver/Passenger Seat Adjuster Switch On LIN Bus
Quick Answer
The Local Interconnect Network (LIN) Bus consists of a single wire with a transmission rate of 10.417 Kbit/s. Common causes include Faulty Driver/Passenger Seat Adjuster Switch, Driver/Passenger Seat Adjuster Switch harness is open or shorted, Driver/Passenger Seat Adjuster Switch 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
- U1528 GMC indicates Driver/Passenger Seat Memory Control Module Lost Communication With Driver/Passenger Seat Adjuster Switch On LIN Bus.
- Common causes
- Common causes include Faulty Driver/Passenger Seat Adjuster Switch, Driver/Passenger Seat Adjuster Switch harness is open or shorted, Driver/Passenger Seat Adjuster Switch 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 U1528 GMC Description
What are the Possible Causes of the DTC U1528 GMC?
- Faulty Driver/Passenger Seat Adjuster Switch
- Driver/Passenger Seat Adjuster Switch harness is open or shorted
- Driver/Passenger Seat Adjuster Switch circuit poor electrical connection
- Faulty Driver/Passenger Seat Memory Control Module
How to Fix the DTC U1528 GMC?
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 U1528 GMC 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 U1528 GMC Code
1. What are the common symptoms of OBDII code U1528 on a GMC vehicle?
Common symptoms include non-functional driver/passenger seat memory settings, inability to adjust seat positions electronically, and warning lights on the dashboard related to the seat control system.
2. What are the possible causes of OBDII code U1528 on a GMC vehicle?
Possible causes include a faulty driver/passenger seat memory control module, a malfunctioning driver/passenger seat adjuster switch, damaged wiring or connectors in the LIN bus communication system, or a software issue within the vehicle's control modules.
3. How can I diagnose OBDII code U1528 on my GMC vehicle?
Diagnosis typically involves using a professional OBDII scanner to retrieve the specific code, checking for any associated codes or warning lights, inspecting the seat memory control module and adjuster switch for physical damage, and testing the LIN bus communication network for faults.
4. Is it safe to drive with OBDII code U1528 present on a GMC vehicle?
It is generally safe to drive with this code, as it primarily affects the driver/passenger seat memory control system and does not impact the vehicle's drivability or safety systems. However, it is recommended to address the issue promptly to restore full functionality.
5. Can I repair OBDII code U1528 on my GMC vehicle myself?
Depending on your level of automotive repair experience and access to tools, you may be able to address this code yourself. Common DIY repairs include checking and repairing damaged wiring, replacing the driver/passenger seat memory control module or adjuster switch, and resetting the system using diagnostic equipment.
6. What are some tips for fixing OBDII code U1528 on a GMC vehicle?
Some helpful tips include ensuring all connections in the LIN bus system are secure, checking for any blown fuses related to the seat control system, consulting the vehicle's service manual for specific troubleshooting steps, and seeking assistance from a professional mechanic if needed.
7. Does resetting the OBDII system clear code U1528 on a GMC vehicle?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing code U1528 is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem to prevent future occurrences.
8. How much does it cost to repair OBDII code U1528 on a GMC vehicle?
The cost of repairing this code can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is recommended to obtain quotes from multiple mechanics or dealerships to compare prices.
9. Can OBDII code U1528 on a GMC vehicle cause further damage if left unrepaired?
While the immediate impact of this code is typically limited to the seat memory control system, leaving it unrepaired could potentially lead to further issues with the LIN bus communication network or other control modules in the vehicle. It is best to address the problem promptly to prevent additional damage.
10. Is OBDII code U1528 a common issue in GMC vehicles?
While not extremely common, OBDII code U1528 related to the driver/passenger seat memory control module lost communication can occur in GMC vehicles equipped with this feature. Proper maintenance and timely repairs can help prevent this code from appearing.
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