B122F
PTS Sensor 7 Ring Time Too Long
B122F is an OBD-II diagnostic trouble code meaning: PTS Sensor 7 Ring Time Too Long. Common causes: transmission position sensor (pts) malfunction, problems in the wiring harness (break, short circuit, corrosion). Estimated repair cost: $56–167.
Symptoms
- Incorrect gear shifting
- Transmission transition to emergency mode
- Check Engine light comes on
- Delays when shifting gears
Causes
- Transmission position sensor (PTS) malfunction
- Problems in the wiring harness (break, short circuit, corrosion)
- Transmission control module (TCM) malfunction
- Mechanical problems in the transmission
- Poor contact in sensor connectors
How to Fix
- Check the condition of the PTS sensor and its connectors
- Check the integrity of the wiring harness to the sensor
- Measure the sensor resistance (compare with factory values)
- Check power and ground in the sensor circuit
- Replace PTS sensor if necessary
- Check the operation of the TCM and, if necessary, reflash or replace
Related codes
FAQ
What does the B122F code mean?
B122F is an OBD-II diagnostic trouble code that indicates: PTS Sensor 7 Ring Time Too Long
What causes a B122F error code?
The most common causes of B122F include: Transmission position sensor (PTS) malfunction; Problems in the wiring harness (break, short circuit, corrosion); Transmission control module (TCM) malfunction; Mechanical problems in the transmission.
How do I fix a B122F diagnostic trouble code?
To fix B122F: Check the condition of the PTS sensor and its connectors. Check the integrity of the wiring harness to the sensor. Measure the sensor resistance (compare with factory values). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B122F?
Limited driving only, diagnose soon
How much does it cost to fix B122F?
The estimated repair cost for B122F is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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