P0958 Code - Auto Shift Manual Mode Circuit High
Quick Answer
The Transmission Control Module (TCM) monitors the Auto Shift Manual signal from the Auto Shift Manual Switch. Common causes include Faulty Auto Shift Manual Switch, Auto Shift Manual Switch harness is open or shorted, Auto Shift Manual 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
- P0958 indicates Auto Shift Manual Mode Circuit High.
- Common causes
- Common causes include Faulty Auto Shift Manual Switch, Auto Shift Manual Switch harness is open or shorted, Auto Shift Manual 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 P0958 Description
What are the Possible Causes of the DTC P0958?
- Faulty Auto Shift Manual Switch
- Auto Shift Manual Switch harness is open or shorted
- Auto Shift Manual Switch circuit poor electrical connection
How to Fix the DTC P0958?
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 P0958 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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Information for Specific Makes
- P0958 Acura — Open In Transmission Gear Selection Switch Circuit
- P0958 Dodge — Auto Shift Manual Mode Circuit High
- P0958 Honda — Open In Transmission Gear Selection Switch Circuit
Frequently Asked Questions about P0958 Code
1. What does the OBDII code P0958 mean?
P0958 indicates an issue with the Auto Shift Manual Mode Circuit, specifically detecting a high voltage condition.
2. What are the common symptoms of code P0958?
Symptoms may include the inability to use manual shift mode, illuminated check engine light, erratic shifting, or the transmission being stuck in a specific gear.
3. What causes the P0958 code?
Common causes include a faulty manual shift switch, damaged wiring or connectors in the circuit, a malfunctioning transmission control module (TCM), or shorts in the circuit.
4. Can I still drive with the P0958 code?
While it may be possible to drive, you could experience limited shifting functionality or reduced performance. Driving without addressing the issue may lead to further damage.
5. How is the P0958 code diagnosed?
Diagnosis typically involves inspecting the manual shift switch, checking for wiring or connector damage, testing the circuit for shorts, and verifying the TCM functionality.
6. How do I fix the P0958 code?
Repairs may include replacing the manual shift switch, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the TCM if necessary.
7. How much does it cost to repair code P0958?
Repair costs can vary widely depending on the exact cause, ranging from $50 for simple wiring repairs to $500 or more for TCM replacement.
8. Can a low battery cause the P0958 code?
While a low battery is not a common cause, electrical issues such as voltage irregularities could contribute to triggering the code.
9. Will clearing the code fix the P0958 issue?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
10. What happens if I ignore the P0958 code?
Ignoring the code can lead to worsening transmission issues, reduced drivability, and potential damage to other components over time.
Discuss the causes and fixes for P0958 OBDII Code
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