The P0953 trouble code relates to the auto shift manual control circuit, indicating a high voltage condition.
P0953 Auto Shift Manual Control Circuit High
Code symptoms P0953.
1. Erratic shifting behavior.
2. Poor transmission performance.
3. Delayed or harsh shifting.
4. The Check Engine Light (CEL) may be illuminated.
Causes of the code P0953.
1. Faulty auto shift manual control switch.
2. Wiring or connector issues in the auto shift manual control circuit.
3. Faulty transmission control module (TCM).
4. Electrical issues in the transmission system.
Code Solutions P0953.
1. Test and replace the auto shift manual control switch if it is faulty.
2. Inspect the wiring and connectors in the auto shift manual control circuit for any damage, corrosion, or loose connections. Repair or replace any damaged wiring or connectors.
3. Diagnose and replace the faulty transmission control module (TCM) if necessary.
4. Check for other electrical issues in the transmission system and repair as necessary.