P0890 Nissan Code - Transmission Control Module Power Relay Sense Circuit Low
Quick Answer
The Diagnostic Trouble Code (DTC) will set if the battery voltage supplied to the Transmission Control Module (TCM) is less than 8.4 V continuously for 200 msec or the TCM power supply voltage is more than 11 V. 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
- P0890 Nissan indicates Transmission Control Module Power Relay Sense Circuit Low.
- 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 P0890 Nissan Description
What are the Possible Causes of the DTC P0890 Nissan?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How to Fix the DTC P0890 Nissan?
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 P0890 Nissan 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 P0890 Nissan Code
1. What does the OBDII code P0890 mean for a Nissan vehicle?
P0890 indicates an issue with the Transmission Control Module (TCM) Power Relay Sense Circuit, specifically that the circuit voltage is lower than expected.
2. What are the common symptoms of P0890 on a Nissan?
Symptoms may include transmission not shifting properly, reduced power or performance, a check engine light, and possible limp mode activation.
3. What causes the P0890 code to appear on a Nissan?
Common causes include a faulty TCM power relay, damaged wiring or connectors in the circuit, a failing Transmission Control Module, or low battery voltage.
4. Can P0890 cause permanent transmission damage?
If left unresolved, the code may lead to improper transmission operation, which could cause long-term damage to the transmission.
5. How do you diagnose the P0890 code on a Nissan?
Diagnosing involves inspecting the TCM power relay, checking circuit wiring and connectors for damage, testing battery voltage, and verifying the functionality of the TCM.
6. Can a weak battery trigger the P0890 code on a Nissan?
Yes, a weak or failing battery can result in low voltage to the TCM, potentially triggering the P0890 code.
7. How do you fix the P0890 code on a Nissan?
Repairs may include replacing the TCM power relay, repairing or replacing damaged wiring or connectors, addressing battery or alternator issues, or replacing the TCM if faulty.
8. Is it safe to drive a Nissan with the P0890 code active?
Driving with this code is not recommended as it can lead to transmission malfunctions and reduced performance, potentially causing safety risks.
9. How much does it typically cost to repair the P0890 code on a Nissan?
Costs vary depending on the specific issue, ranging from $100 for simple relay replacement to over $1,000 if the TCM requires replacement.
10. Can a TCM software update resolve the P0890 code on a Nissan?
In some cases, a software update for the TCM may resolve the issue, but only if the problem is related to programming rather than hardware failure.
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