OBD Guide
ENFRDEESPT

U160B

ECU Boot Sotware 1 Missing Or Corrupted

U160B is an OBD-II diagnostic trouble code meaning: ECU Boot Sotware 1 Missing Or Corrupted. Common causes: ecu firmware update failed, ecu memory damage. Estimated repair cost: $33–167.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–167 (est.)

Symptoms

  • Engine won't start
  • Unstable engine operation
  • Power Loss
  • Check Engine Light Is On
  • Errors in other systems

Causes

  • ECU firmware update failed
  • ECU memory damage
  • Power problems during software update
  • Incompatible firmware version
  • Mechanical damage to the ECU

How to Fix

  1. Check the current software version for this ECU
  2. Try to restore the firmware using diagnostic equipment
  3. Reflash the ECU using original software
  4. Check the condition of the ECU for physical damage
  5. Replacement of the ECU if recovery is impossible

Related codes

U160AU160CU160D

FAQ

What does the U160B code mean?

U160B is an OBD-II diagnostic trouble code that indicates: ECU Boot Sotware 1 Missing Or Corrupted

What causes a U160B error code?

The most common causes of U160B include: ECU firmware update failed; ECU memory damage; Power problems during software update; Incompatible firmware version.

How do I fix a U160B diagnostic trouble code?

To fix U160B: Check the current software version for this ECU. Try to restore the firmware using diagnostic equipment. Reflash the ECU using original software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U160B?

Do not drive — repair immediately

How much does it cost to fix U160B?

The estimated repair cost for U160B is $33–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat