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July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Table

NOTE:
  • The security indicator light flashes or illuminates under the following conditions when the ignition is off or ACC.
  • There is a malfunction:
    • DTC 16 or below: Flashes for approx. 1 min and the DTC flash pattern indicated in the table below repeats 10 times.
    • DTC 21 or higher: Illuminates for approx. 1 min and the DTC flash pattern indicated in the table below repeats 10 times.
    • If more than one DTC is detected, only the DTC with the lowest number is displayed.
  • There is no malfunction:
    • The security indicator light illuminates for approx. 3 sand then turns off.

x: Applicable-: Not applicable

DTC Warning/indicator light Description Fail-safe function Drive cycle Self test type(2) Memory function Refer to
M-MDS display(1)     Security indicator light flashing pattern
Instrument cluster     PCM
B10D9:87 P1260:00 1
1
G13727683Courtesy of MAZDA MOTORS CORP.
 - Communication error with coil antenna - -     (See SECURITY INDICATOR LIGHT: 11, DTC: B10D9:87/P1260:00 [IMMOBILIZER SYSTEM] .)
B10D5:13 P1260:00 1
2
G13727684Courtesy of MAZDA MOTORS CORP.
   Coil antenna malfunction - -   - (See SECURITY INDICATOR LIGHT: 12, DTC: B10D5:13/P1260:00 [IMMOBILIZER SYSTEM] .)
B10D7:05 P1260:00 1
3
G13727685Courtesy of MAZDA MOTORS CORP.
 - Key ID number programming error - - C, D - (See SECURITY INDICATOR LIGHT: 13, DTC: B10D7:05/P1260:00 [IMMOBILIZER SYSTEM] .)
B10D7:94 P1260:00     - Key ID number reading error - - C, D - (See SECURITY INDICATOR LIGHT: 13, DTC: B10D7:94/P1260:00 [IMMOBILIZER SYSTEM] .)
B10D7:81 P1260:00 1
4
G13727686Courtesy of MAZDA MOTORS CORP.
 - Receiving erratic serial data - - C, D - (See SECURITY INDICATOR LIGHT: 14, DTC: B10D7:81/P1260:00 [IMMOBILIZER SYSTEM] .)
B10D7:51 P1260:00 1
5
G13727687Courtesy of MAZDA MOTORS CORP.
 - Unprogrammed key ID number - - C, D - (See SECURITY INDICATOR LIGHT: 15, DTC: B10D7:51/P1260:00 [IMMOBILIZER SYSTEM] .)
U0100:87 P1260:00 1
6
G13727688Courtesy of MAZDA MOTORS CORP.
   Communication error between instrument cluster and PCM (No response) - - C, D - (See SECURITY INDICATOR LIGHT: 16, DTC: U0100:87/P1260:00 [IMMOBILIZER SYSTEM] .)
B10D8:00 P1260:00 2
1
G13727689Courtesy of MAZDA MOTORS CORP.
 - Shortage of programmed key - - C, D - (See SECURITY INDICATOR LIGHT: 21, DTC: B10D8:00/P1260:00 [IMMOBILIZER SYSTEM] .)
B10DA:51 P1260:00 2
2
G13727690Courtesy of MAZDA MOTORS CORP.
 - Communication error to PCM (Data transfer failure) - - C, D - (See SECURITY INDICATOR LIGHT: 22, DTC: B10DA:51/P1260:00 [IMMOBILIZER SYSTEM] .)
B10DA:62 P1260:00 2
3
G13727691Courtesy of MAZDA MOTORS CORP.
 - Communication error to PCM (Data mismatch) - - C, D - (See SECURITY INDICATOR LIGHT: 23, DTC: B10DA:62/P1260:00 [IMMOBILIZER SYSTEM] .)
U0001:88 U0073:00 - - CAN system communication error (HS-CAN) - - C, D - (See SECURITY INDICATOR LIGHT: -, DTC: U0001:88/U0073:00 [IMMOBILIZER SYSTEM] .)
U0100:00 - - Illuminate (Check engine light/Charging system warning light) Communication error to PCM - - C, D x (See SECURITY INDICATOR LIGHT: -, DTC: U0100:00/- [IMMOBILIZER SYSTEM] .)
U3000:41 - - - Instrument cluster internal malfunction - - C, D - (See DTC U3000:41 [INSTRUMENT CLUSTER] .)
(1) The letters at the beginning of each DTC are only displayed when using the M-MDS, and refer to the following: B= Body system, P= Powertrain system, U= Network communication system.

(2) C: CMDTC self test, D: ODDTC self test
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