U1502 RAM Code - Implausible Message Data Length Received From TCM
Quick Answer
The Diagnostic Trouble Code (DTC) will set if the Anti-Lock Brakes Module detects bus messages from the Transmission Control Module (TCM) are of improper data length. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission 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
- U1502 RAM indicates Implausible Message Data Length Received From TCM.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission 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 U1502 RAM Description
What are the Possible Causes of the DTC U1502 RAM?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
- Faulty Anti-Lock Brakes (ABS) Module
How to Fix the DTC U1502 RAM?
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 U1502 RAM 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 U1502 RAM Code
1. What are the common symptoms of OBDII code U1502 RAM?
- Common symptoms include erratic shifting of the transmission, poor fuel efficiency, and the illumination of the Check Engine Light.
2. What does the OBDII code U1502 RAM mean?
- The code U1502 RAM indicates an implausible message data length received from the Transmission Control Module (TCM).
3. What are the possible causes of OBDII code U1502 RAM?
- Common causes include faulty TCM, wiring issues, software glitches, or communication errors within the vehicle's network.
4. How can I diagnose OBDII code U1502 RAM?
- Diagnosis typically involves using a diagnostic scanner to retrieve the code, checking for other related codes, and inspecting the TCM and associated wiring for any issues.
5. Can I continue driving with OBDII code U1502 RAM?
- It is not recommended to continue driving with this code as it can lead to further damage to the transmission system. It is best to address the issue promptly.
6. How can I repair OBDII code U1502 RAM?
- Repair methods may include resetting the code, checking and repairing any wiring issues, updating the TCM software, or replacing the TCM if necessary.
7. Is OBDII code U1502 RAM a serious issue?
- While it may not cause immediate breakdown, ignoring this code can lead to transmission problems and potentially costly repairs if not addressed in a timely manner.
8. Can a DIY enthusiast fix OBDII code U1502 RAM?
- Depending on the underlying cause, some DIY enthusiasts may be able to address this code by checking wiring connections, performing software updates, or replacing components like the TCM.
9. How long does it take to repair OBDII code U1502 RAM?
- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from a few hours to a day for diagnosis and repair.
10. Will clearing the OBDII code U1502 RAM make it go away permanently?
- Clearing the code may temporarily turn off the Check Engine Light, but if the underlying issue is not addressed, the code is likely to return. It is essential to diagnose and repair the root cause.
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