OBD Guide
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U1157

Invalid Or Missing Data For Digital Signal Processing

U1157 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Digital Signal Processing. Common causes: malfunction of one of the electronic modules, wiring harness damage. Estimated repair cost: $22–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Unstable engine operation
  • Failure of some electronic systems
  • Problems with data transfer between modules

Causes

  • Malfunction of one of the electronic modules
  • Wiring harness damage
  • Poor contact in connectors
  • Problems with module power supply
  • Software error in the module

How to Fix

  1. Check error codes in other modules
  2. Inspect the wiring harness and connectors for damage.
  3. Check power and ground of modules
  4. Test the operation of the modules using diagnostic equipment
  5. If necessary, replace the faulty module

Related codes

U1156U1158U1160

FAQ

What does the U1157 code mean?

U1157 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Digital Signal Processing

What causes a U1157 error code?

The most common causes of U1157 include: Malfunction of one of the electronic modules; Wiring harness damage; Poor contact in connectors; Problems with module power supply.

How do I fix a U1157 diagnostic trouble code?

To fix U1157: Check error codes in other modules. Inspect the wiring harness and connectors for damage.. Check power and ground of modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1157?

Yes, but get it checked soon

How much does it cost to fix U1157?

The estimated repair cost for U1157 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat