P1845 Saturn Code - 2-3 Shift Solenoid Circuit Low Input Voltage
Quick Answer
With the engine runtime over 5 seconds, system voltage from 8-1 8v, Fuel Cutoff inactive, the Powertrain Control Module (PCM) detects an open circuit or a short to ground on the 2-3 Shift Solenoid feedback circuit for 4.3 seconds. Common causes include Faulty 2-3 Shift Solenoid, 2-3 Shift Solenoid harness is open or shorted, 2-3 Shift Solenoid 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
- P1845 Saturn indicates 2-3 Shift Solenoid Circuit Low Input Voltage.
- Common causes
- Common causes include Faulty 2-3 Shift Solenoid, 2-3 Shift Solenoid harness is open or shorted, 2-3 Shift Solenoid 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 P1845 Saturn Description
What are the Possible Causes of the DTC P1845 Saturn?
- Faulty 2-3 Shift Solenoid
- 2-3 Shift Solenoid harness is open or shorted
- 2-3 Shift Solenoid circuit poor electrical connection
How to Fix the DTC P1845 Saturn?
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 P1845 Saturn 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 P1845 Saturn Code
What is the meaning of the OBDII code P1845 on a Saturn?
The P1845 code on a Saturn indicates a problem with the 2-3 shift solenoid circuit, specifically a low input voltage condition.
What are the common symptoms of the P1845 code in a Saturn?
Symptoms may include harsh or delayed shifting, the transmission stuck in one gear, poor fuel efficiency, and the Check Engine Light illuminating.
What causes the P1845 code to appear in a Saturn?
Common causes include a faulty 2-3 shift solenoid, damaged wiring or connectors in the solenoid circuit, a failing transmission control module (TCM), or low transmission fluid levels.
How can I diagnose the P1845 code on my Saturn?
Diagnosis involves checking the transmission fluid level, inspecting the wiring and connectors for damage, testing the 2-3 shift solenoid for proper function, and scanning the TCM for additional codes.
Can I drive my Saturn with the P1845 code?
Driving with the P1845 code is not recommended, as it can cause further damage to the transmission and lead to unsafe driving conditions.
How do I fix the P1845 code on a Saturn?
Repairs may include replacing the 2-3 shift solenoid, repairing or replacing damaged wiring or connectors, updating or reprogramming the TCM, or replenishing the transmission fluid.
What tools are required to troubleshoot the P1845 code?
You’ll need an OBDII scanner, a multimeter to test voltage, and basic hand tools for accessing the transmission components.
Is the P1845 code specific to Saturn vehicles?
No, the P1845 code can appear in other vehicles, but the diagnostic and repair process may vary depending on the make and model.
How much does it cost to repair the P1845 code on a Saturn?
Repair costs vary but typically range from $150 to $500, depending on whether the solenoid, wiring, or TCM needs replacement.
Can a low transmission fluid level trigger the P1845 code?
Yes, low or dirty transmission fluid can affect solenoid operation and contribute to the P1845 code being set.
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