OBD Guide

P0884

TCM Power Input Signal Intermittent

P0884 is an OBD-II diagnostic trouble code meaning: TCM Power Input Signal Intermittent. Common causes: poor contact in tcm connector, damaged wiring or wiring harness. Estimated repair cost: $56โ€“222.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“222 (est.)

Symptoms

  • Jerks when shifting gears
  • The gearbox goes into emergency mode
  • Check Engine light comes on
  • Power Loss
  • Unstable engine operation

Causes

  • Poor contact in TCM connector
  • Damaged wiring or wiring harness
  • Faulty TCM power relay
  • Fuse problems
  • Malfunction of the TCM module itself

How to Fix

  1. Check and clean contacts in TCM connector
  2. Inspect the wiring harness for damage
  3. Check TCM power supply relays and fuses
  4. Test supply voltage to TCM
  5. Replace TCM if necessary

Related codes

Error P0884 by Vehicle Brand

FAQ

What does the P0884 code mean?

P0884 is an OBD-II diagnostic trouble code that indicates: TCM Power Input Signal Intermittent

What causes a P0884 error code?

The most common causes of P0884 include: Poor contact in TCM connector; Damaged wiring or wiring harness; Faulty TCM power relay; Fuse problems.

How do I fix a P0884 diagnostic trouble code?

To fix P0884: Check and clean contacts in TCM connector. Inspect the wiring harness for damage. Check TCM power supply relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0884?

Do not drive โ€” repair immediately

How much does it cost to fix P0884?

The estimated repair cost for P0884 is $56โ€“222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat