Fault Code P0681
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0681
ECM/PCM Power Relay Sense Circuit High
This code indicates a higher than expected voltage in the sense circuit of the Engine Control Module (ECM) / Powertrain Control Module (PCM) power relay. This can suggest an issue with the power supply to the vehicle's computer.
Part Details
Part Name
PCM/ECM Power Relay
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪200 - ₪1000
Engine Location
Engine bay / Fuse box
Symptoms
- Engine cranks but does not start or stalls
- Check Engine Light on
- Clicking sound from relay
- Failures in other electrical systems
Possible Causes
- 1Faulty PCM/ECM power relay
- 2Damaged wiring in the sense circuit
- 3Problem with the Powertrain Control Module (PCM/ECM)
- 4Overvoltage in electrical system
AI Smart Part Finder
The AI will search where to buy part number N/A online and display suppliers, prices, and availability estimates.
Purchase PCM/ECM Power Relay Online
P/N: N/A — Search and purchase the part from the following sites:
eBay
New and used spare parts
Amazon
Fast shipping available
AliExpress
Low prices and free shipping
RockAuto
Professional auto parts store
AutoDoc
Spare parts from Europe
Spareto
OEM and aftermarket parts
Cars245
European parts at good prices
AlfaWorkshop
Professional parts and accessories
Google Shopping
Compare prices from all stores
We may earn a commission from purchases through these links, at no extra cost to you. Details