P1724
Automatic Transmission Control Relay Electrical
P1724 is an OBD-II diagnostic trouble code meaning: Automatic Transmission Control Relay Electrical. Common causes: faulty automatic transmission control relay, open or short circuit in the relay circuit. Estimated repair cost: $6–33.
Symptoms
- The car goes into emergency gearbox mode
- Check Engine light comes on
- Gear shifting problems
- The gearbox only works in one gear
- Unstable engine operation when switching
Causes
- Faulty automatic transmission control relay
- Open or short circuit in the relay circuit
- Oxidation of contacts in connectors
- Problems with the transmission control unit
- Wiring harness damage
How to Fix
- Check the condition of the automatic transmission control relay
- Check the integrity of the wiring and contacts in the relay circuit
- Clean connector contacts from oxides
- Replace faulty relay
- Check transmission control unit
Related codes
Error P1724 by Vehicle Brand
FAQ
What does the P1724 code mean?
P1724 is an OBD-II diagnostic trouble code that indicates: Automatic Transmission Control Relay Electrical
What causes a P1724 error code?
The most common causes of P1724 include: Faulty automatic transmission control relay; Open or short circuit in the relay circuit; Oxidation of contacts in connectors; Problems with the transmission control unit.
How do I fix a P1724 diagnostic trouble code?
To fix P1724: Check the condition of the automatic transmission control relay. Check the integrity of the wiring and contacts in the relay circuit. Clean connector contacts from oxides. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1724?
Limited driving only, diagnose soon
How much does it cost to fix P1724?
The estimated repair cost for P1724 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat