P0881
TCM Power Input Signal Range/Performance
P0881 is an OBD-II diagnostic trouble code meaning: TCM Power Input Signal Range/Performance. Common causes: bad contacts in tcm connectors, damaged tcm power harness. Estimated repair cost: $17–111.
Symptoms
- Incorrect gear shifting
- The gearbox goes into emergency mode
- Check Engine light comes on
- Loss of power or jerking when shifting
- Problems starting the engine
Causes
- Bad contacts in TCM connectors
- Damaged TCM power harness
- Faulty TCM power relay
- Corrosion in electrical connections
- Malfunction of the TCM module itself
How to Fix
- Check supply voltage to TCM
- Inspect and clean TCM connector contacts
- Check the integrity of the power wiring harness
- Replace TCM power relay if necessary
- If the module is faulty, replace the TCM
Related codes
Error P0881 by Vehicle Brand
FAQ
What does the P0881 code mean?
P0881 is an OBD-II diagnostic trouble code that indicates: TCM Power Input Signal Range/Performance
What causes a P0881 error code?
The most common causes of P0881 include: Bad contacts in TCM connectors; Damaged TCM power harness; Faulty TCM power relay; Corrosion in electrical connections.
How do I fix a P0881 diagnostic trouble code?
To fix P0881: Check supply voltage to TCM. Inspect and clean TCM connector contacts. Check the integrity of the power wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0881?
Do not drive — repair immediately
How much does it cost to fix P0881?
The estimated repair cost for P0881 is $17–111. Actual cost depends on your vehicle, location, and labor rates.
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