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Diagnostic trouble code

U1733-87

U1733-87 Fault Code

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Car Codes diagnostic trouble code

U1733-87Diagnostic priority

…ement of the Convergence Telematics Module (CTM). Customer may experience no response from voice recognition or Bluetooth features. On further inspection the technician may find U1733-87 Lost communication with the CTM.The condition is caused by the CTM not communicating.

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Code interpretation

What U1733-87 means

This code indicates Vehicle fault code with verified manufacturer evidence Its precise meaning depends on the reporting control module, complete failure-type suffix, model year, powertrain and software level.

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Driver experience

Symptoms you may notice

A stored diagnostic trouble code or a related system warning.

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Test, do not guess

Possible causes

The precise cause depends on the reporting module, vehicle specification, circuit condition and software level.

Evidence-led checks

Recommended diagnostic route

Save the complete scan and confirm the code against model-specific technical information before testing.

  1. Capture the evidenceSave the complete all-module scan, code suffixes and freeze-frame data.
  2. Prove the basicsTest battery condition, system voltage, power and grounds.
  3. Identify the reporterConfirm the module that logged the code and check circuit integrity.
  4. Compare live dataReview commanded and actual values under the conditions that set the code.
  5. Test before replacingUse model-specific wiring diagrams, pin tests and technical information.
  6. Verify the repairClear the code only after recording evidence, then confirm it does not return.

Vehicle fitment

Vehicle applicability

Fiat 500 Hybrid

Before clearing

Can the code be cleared?

Clearing a code without fixing the cause removes useful evidence and may only switch the warning off temporarily. Save the full scan first; a permanent or repeatedly returning code needs testing.

A DTC is evidence, not a parts order.

Confirm the suffix, reporting module, model, year, engine and live data before replacing a component.

Verified public evidence

Manufacturer and model coverage

3 public manufacturer records match this search. These records support applicability research but do not replace VIN-specific workshop information.

U1733-87Fiat 500 Hybrid
500 · 2013 · Multiple/unspecified

…ement of the Convergence Telematics Module (CTM). Customer may experience no response from voice recognition or Bluetooth features. On further inspection the technician may find U1733-87 Lost communication with the…

Source
U1733-87Fiat 500 Hybrid
500 · 2013 · Multiple/unspecified

…ement of the Convergence Telematics Module (CTM). Customer may experience no response from voice recognition or Bluetooth features. On further inspection the technician may find U1733-87 Lost communication with the…

Source
U1733-87Fiat 500 Hybrid
500 · 2013 · Multiple/unspecified

…ement of the Convergence Telematics Module (CTM). Customer may experience no response from voice recognition or Bluetooth features. On further inspection the technician may find U1733-87 Lost communication with the…

Source