OBD Guide
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U1085

Invalid Or Missing Data For Powertrain Status Request

U1085 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Powertrain Status Request. Common causes: damage to the can bus wiring harness, poor contact in connectors. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Possible problems with gear shifting
  • Loss of data on the dashboard
  • Reduced engine power
  • Errors in other vehicle systems

Causes

  • Damage to the CAN bus wiring harness
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction
  • Problems with module power supply
  • Contact corrosion

How to Fix

  1. Check the integrity of the CAN bus
  2. Inspect and clean all connectors
  3. Check ECU power supply
  4. Scan all modules for errors
  5. If necessary, replace damaged wires

Related codes

U1086U1084U0100

FAQ

What does the U1085 code mean?

U1085 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Powertrain Status Request

What causes a U1085 error code?

The most common causes of U1085 include: Damage to the CAN bus wiring harness; Poor contact in connectors; Engine control unit (ECU) malfunction; Problems with module power supply.

How do I fix a U1085 diagnostic trouble code?

To fix U1085: Check the integrity of the CAN bus. Inspect and clean all connectors. Check ECU power supply. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1085?

Yes, but get it checked soon

How much does it cost to fix U1085?

The estimated repair cost for U1085 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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