P2537 OBD-II: Ignition Switch Accessory Position Circuit Low
P2537 Severity
Should you fix P2537 yourself?
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
What causes OBD-II fault code P2537?
When the vehicle is turned on, battery voltage is sent to all the electrical systems on the vehicle. The Transmission Control Module monitors this voltage to make sure it is correct. If the Transmission Control Module detects the voltage is too low, code P2537 will set.
OBD II Fault Code
- OBD II P2537
OBD-II Code Transmission may not shift properly is defined as a Ignition Switch Accessory Position Circuit Low
When the vehicle is turned on, battery voltage is sent to all the electrical systems on the vehicle. The Transmission Control Module monitors this voltage to make sure it is correct. If the Transmission Control Module detects the voltage is too low, code P2537 will set.
Transmission may not shift properly Symptoms
- Transmission may not shift properly
Common Problems That Trigger the P2537 Code
- Ignition switch failure
- Transmission Control Module (TCM) failure
- Wiring issue
Common Repairs Needed for the P2537 Code
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