P2545: Torque Management Request Input Signal Range/Performance
The P2545 code indicates that the Powertrain Control Module (PCM) has detected a signal from the torque management request input that is outside the expected range or not performing correctly. This input typically comes from the transmission control module or other systems requesting torque reduction for shift quality or stability control. The PCM monitors this signal to manage engine torque output; when the signal is erratic or out of range, it can cause drivability issues.
01. Most Common Causes
- Faulty torque management request sensor or switch
- Wiring or connector issues in the torque management circuit
- Malfunctioning PCM or TCM
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Reduced engine power or limp mode
- Harsh or erratic transmission shifts
- Poor acceleration or hesitation
03. Step-by-Step Diagnosis
Step 1: Use an OBD2 scanner to confirm the code and check for related codes.
Step 2: Inspect the torque management request sensor and its wiring for damage, corrosion, or loose connections.
Step 3: Test the sensor signal with a multimeter to verify it is within manufacturer specifications.
Step 4: If wiring and sensor are okay, check for TCM or PCM software updates or replace the module if necessary.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as it can cause reduced power and harsh shifting, potentially leading to transmission damage.
How much does it cost to fix?▼
Diagnosis typically costs $50-$150, and repairs can range from $100 for a sensor replacement to $500+ for module replacement.