P1792 Acura Code - Automatic Transmission EEPROM Checksum Error
Quick Answer
P1792 Acura indicates Automatic Transmission EEPROM Checksum Error. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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
- P1792 Acura indicates Automatic Transmission EEPROM Checksum Error.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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 P1792 Acura Description
What are the Possible Causes of the DTC P1792 Acura?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module (TCM) harness is open or shorted
- Transmission Control Module (TCM) circuit poor electrical connection
How to Fix the DTC P1792 Acura?
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 P1792 Acura 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 P1792 Acura Code
1. What does OBDII code P1792 mean for an Acura?
P1792 indicates an Automatic Transmission EEPROM Checksum Error, meaning the transmission control module (TCM) has detected a mismatch or corruption in its stored programming data.
2. What are common symptoms of code P1792 on an Acura?
Common symptoms include transmission performance issues, erratic shifting, failure to shift gears, the check engine light turning on, and potentially entering limp mode.
3. What causes code P1792 on an Acura?
Causes can include corrupted EEPROM data in the TCM, faulty TCM hardware, electrical issues such as damaged wiring or connectors, or software malfunctions.
4. Can I continue driving my Acura with code P1792?
Driving with this code is not recommended, as it can lead to further damage to the transmission or unsafe driving conditions due to erratic shifting.
5. How is code P1792 diagnosed on an Acura?
A technician will use an OBDII scanner to confirm the code, inspect the TCM for signs of damage or corruption, check wiring and connectors for faults, and possibly reprogram or test the TCM.
6. How can I fix code P1792 on my Acura?
Fixes may include reprogramming or replacing the TCM, repairing or replacing damaged wiring or connectors, and verifying proper voltage supply to the TCM.
7. Does code P1792 always require replacing the TCM?
Not always—sometimes the issue can be resolved by reprogramming or repairing the TCM, but severe damage may necessitate replacement.
8. How much does it cost to repair code P1792 on an Acura?
Costs vary depending on whether the TCM needs reprogramming or replacement, with repairs ranging from $150 to over $1,000 including parts and labor.
9. Can a low battery cause code P1792?
Yes, a weak or low battery can lead to EEPROM errors in the TCM due to insufficient voltage during startup or operation.
10. Is code P1792 specific to Acura vehicles?
While common in Acura models, this code can also appear in other vehicles with similar transmission systems that use EEPROM-based TCMs.
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