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DTC Table [Connectivity Master Unit (Us)]

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

x: Applicable-: Not applicable

DTC DESCRIPTION (CONNECTIVITY MASTER UNIT - US)

DTC System malfunction location Warning/indicator light Fail-safe Drive cycle Self test type(1) Memory function Refer to
B108E:49 Center display internal malfunction - - - C, D x (See DTC B108E:49 [CONNECTIVITY MASTER UNIT] .)
B119F:13 Without telematics communication system
  • GPS antenna signal circuit malfunction With telematics communication system
  • TEL antenna No. 1 signal circuit malfunction
 - - - C x (See DTC B119F:13 [CONNECTIVITY MASTER UNIT (US)] .)
B119F:2B Without telematics communication system
  • GPS antenna signal circuit malfunction With telematics communication system
  • TEL antenna No. 1 signal circuit malfunction
 - - - C x (See DTC B119F:2B [CONNECTIVITY MASTER UNIT (US)] .)
B119F:49 Communication error with GNSS - - - C x (See DTC B119F:49 [CONNECTIVITY MASTER UNIT] .)
B11BA:13 Steering switch circuit malfunction - x - C x (See DTC B11BA:13 [CONNECTIVITY MASTER UNIT] .)
B11BA:2B Steering switch is stuck on - x - C x (See DTC B11BA:2B [CONNECTIVITY MASTER UNIT] .)
B1238:49 Audio amplifier internal malfunction - - - D x (See DTC B1238:49 [CONNECTIVITY MASTER UNIT] .)
B1A01:11 Without Bose®
  • Cowl side woofer (LH) audio output circuit malfunction With Bose ®
  • Tweeter (LH) audio output circuit or cowl side woofer (LH) audio output circuit malfunction
 - - - D x (See DTC B1A01:11 [CONNECTIVITY MASTER UNIT] .)
B1A01:12 Without Bose ®
  • Cowl side woofer (LH) audio output circuit malfunction With Bose ®
  • Tweeter (LH) audio output circuit or cowl side woofer (LH) audio output circuit malfunction
 - - - D x (See DTC B1A01:12 [CONNECTIVITY MASTER UNIT] .)
B1A01:13 Without Bose ®
  • Cowl side woofer (LH) audio output circuit malfunction With Bose ®
  • Tweeter (LH) audio output circuit or cowl side woofer (LH) audio output circuit malfunction
 - - - D x (See DTC B1A01:13 [CONNECTIVITY MASTER UNIT] .)
B1A01:2B Without Bose ®
  • Cowl side woofer (LH) audio output circuit malfunction With Bose ®
  • Tweeter (LH) audio output circuit or cowl side woofer (LH) audio output circuit malfunction
 - - - D x (See DTC B1A01:2B [CONNECTIVITY MASTER UNIT] .)
B1A02:11 Front door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A02:11 [CONNECTIVITY MASTER UNIT] .)
B1A02:12 Front door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A02:12 [CONNECTIVITY MASTER UNIT] .)
B1A02:13 Front door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A02:13 [CONNECTIVITY MASTER UNIT] .)
B1A02:2B Front door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A02:2B [CONNECTIVITY MASTER UNIT] .)
B1A03:11 Without Bose ®
  • Tweeter (LH) audio output circuit malfunction With Bose ®
  • Tweeter (RH) audio output circuit or cowl side woofer (RH) audio output circuit malfunction
 - - - D x (See DTC B1A03:11 [CONNECTIVITY MASTER UNIT] .)
B1A03:12 Without Bose ®
  • Tweeter (LH) audio output circuit malfunction With Bose ®
  • Tweeter (RH) audio output circuit or cowl side woofer (RH) audio output circuit malfunction
 - - - D x (See DTC B1A03:12 [CONNECTIVITY MASTER UNIT] .)
B1A03:13 Without Bose ®
  • Tweeter (LH) audio output circuit malfunction With Bose ®
  • Tweeter (RH) audio output circuit or cowl side woofer (RH) audio output circuit malfunction
 - - - D x (See DTC B1A03:13 [CONNECTIVITY MASTER UNIT] .)
B1A03:2B Without Bose ®
  • Tweeter (LH) audio output circuit malfunction With Bose ®
  • Tweeter (RH) audio output circuit or cowl side woofer (RH) audio output circuit malfunction
 - - - D x (See DTC B1A03:2B [CONNECTIVITY MASTER UNIT] .)
B1A04:11 Cowl side woofer (RH) audio output circuit malfunction   - - D x (See DTC B1A04:11 [CONNECTIVITY MASTER UNIT] .)
B1A04:12 Cowl side woofer (RH) audio output circuit malfunction - - - D x (See DTC B1A04:12 [CONNECTIVITY MASTER UNIT] .)
B1A04:13 Cowl side woofer (RH) audio output circuit malfunction - - - D x (See DTC B1A04:13 [CONNECTIVITY MASTER UNIT] .)
B1A04:2B Cowl side woofer (RH) audio output circuit malfunction - - - D x (See DTC B1A04:2B [CONNECTIVITY MASTER UNIT] .)
B1A05:11 Without Bose ®
  • Front door speaker (RH) audio output circuit malfunction With Bose ® and 4SD
  • Rear center speaker audio output circuit malfunction With Bose ® and 5HB/WGN
  • Bass-box audio output circuit malfunction
 - - - D x (See DTC B1A05:11 [CONNECTIVITY MASTER UNIT] .)
B1A05:12 Without Bose ®
  • Front door speaker (RH) audio output circuit malfunction With Bose ® and 4SD
  • Rear center speaker audio output circuit malfunction With Bose ® and 5HB/WGN
  • Bass-box audio output circuit malfunction
 - - - D x (See DTC B1A05:12 [CONNECTIVITY MASTER UNIT] .)
B1A05:13 Without Bose ®
  • Front door speaker (RH) audio output circuit malfunction With Bose ® and 4SD
  • Rear center speaker audio output circuit malfunction With Bose ® and 5HB/WGN
  • Bass-box audio output circuit malfunction
 - - - D x (See DTC B1A05:13 [CONNECTIVITY MASTER UNIT] .)
B1A05:2B Without Bose ®
  • Front door speaker (RH) audio output circuit malfunction With Bose ® and 4SD
  • Rear center speaker audio output circuit malfunction With Bose ® and 5HB/WGN
  • Bass-box audio output circuit malfunction
 - - - D x (See DTC B1A05:2B [CONNECTIVITY MASTER UNIT] .)
B1A06:11 Tweeter (RH) audio output circuit malfunction - - - D x (See DTC B1A06:11 [CONNECTIVITY MASTER UNIT] .)
B1A06:12 Tweeter (RH) audio output circuit malfunction -   - D x (See DTC B1A06:12 [CONNECTIVITY MASTER UNIT] .)
B1A06:13 Tweeter (RH) audio output circuit malfunction -   - D x (See DTC B1A06:13 [CONNECTIVITY MASTER UNIT] .)
B1A06:2B Tweeter (RH) audio output circuit malfunction -   - D x (See DTC B1A06:2B [CONNECTIVITY MASTER UNIT] .)
B1A07:11 Without Bose ®
  • Rear door speaker (RH) audio output circuit malfunction With Bose ®
  • Rear side speaker (LH) audio output circuit or rear side speaker (RH) audio output circuit malfunction
 - - - D x (See DTC B1A07:11 [CONNECTIVITY MASTER UNIT] .)
B1A07:12 Without Bose ®
  • Rear door speaker (RH) audio output circuit malfunction With Bose ®
  • Rear side speaker (LH) audio output circuit or rear side speaker (RH) audio output circuit malfunction
 - - - D x (See DTC B1A07:12 [CONNECTIVITY MASTER UNIT] .)
B1A07:13 Without Bose ®
  • Rear door speaker (RH) audio output circuit malfunction With Bose ®
  • Rear side speaker (LH) audio output circuit or rear side speaker (RH) audio output circuit malfunction
 - - - D x (See DTC B1A07:13 [CONNECTIVITY MASTER UNIT] .)
B1A07:2B Without Bose ®
  • Rear door speaker (RH) audio output circuit malfunction With Bose ®
  • Rear side speaker (LH) audio output circuit or rear side speaker (RH) audio output circuit malfunction
 - - - D x (See DTC B1A07:2B [CONNECTIVITY MASTER UNIT] .)
B1A08:11 Without Bose ®
  • Rear door speaker (LH) audio output circuit malfunction With Bose ®
  • Front center speaker audio output circuit malfunction
 - - - D x (See DTC B1A08:11 [CONNECTIVITY MASTER UNIT] .)
B1A08:12 Without Bose ®
  • Rear door speaker (LH) audio output circuit malfunction With Bose ®
  • Front center speaker audio output circuit malfunction
 - - - D x (See DTC B1A08:12 [CONNECTIVITY MASTER UNIT] .)
B1A08:13 Without Bose ®
  • Rear door speaker (LH) audio output circuit malfunction With Bose ®
  • Front center speaker audio output circuit malfunction
 - - - D x (See DTC B1A08:13 [CONNECTIVITY MASTER UNIT] .)
B1A08:2B Without Bose ®
  • Rear door speaker (LH) audio output circuit malfunction With Bose ®
  • Front center speaker audio output circuit malfunction
 - - - D x (See DTC B1A08:2B [CONNECTIVITY MASTER UNIT] .)
B1A09:11 Front door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A09:11 [CONNECTIVITY MASTER UNIT] .)
B1A09:12 Front door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A09:12 [CONNECTIVITY MASTER UNIT] .)
B1A09:13 Front door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A09:13 [CONNECTIVITY MASTER UNIT] .)
B1A09:2B Front door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A09:2B [CONNECTIVITY MASTER UNIT] .)
B1A10:11 Front door speaker (RH) audio output circuit malfunction - - - D x (See DTC B1A10:11 [CONNECTIVITY MASTER UNIT] .)
B1A10:12 Front door speaker (RH) audio output circuit malfunction - - - D x (See DTC B1A10:12 [CONNECTIVITY MASTER UNIT] .)
B1A10:13 Front door speaker (RH) audio output circuit malfunction - - - D x (See DTC B1A10:13 [CONNECTIVITY MASTER UNIT] .)
B1A10:2B Front door speaker (RH) audio output circuit malfunction - - - D x (See DTC B1A10:2B [CONNECTIVITY MASTER UNIT] .)
B1A11:11 Rear door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A11:11 [CONNECTIVITY MASTER UNIT] .)
B1A11:12 Rear door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A11:12 [CONNECTIVITY MASTER UNIT] .)
B1A11:13 Rear door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A11:13 [CONNECTIVITY MASTER UNIT] .)
B1A11:2B Rear door speaker (LH) audio output circuit malfunction - - - D x (See DTC B1A11:2B [CONNECTIVITY MASTER UNIT] .)
B1A12:11 Rear door speaker (RH) audio output circuit malfunction - - - D x (See DTC B1A12:11 [CONNECTIVITY MASTER UNIT] .)
B1A12:12 Rear door speaker (RH) audio output circuit malfunction - - - D x (See DTC B1A12:12 [CONNECTIVITY MASTER UNIT] .)
B1A12:13 Rear door speaker (RH) audio output circuit malfunction - - - D x (See DTC B1A12:13 [CONNECTIVITY MASTER UNIT] .)
B1A12:2B Rear door speaker (RH) audio output circuit malfunction - - - D x (See DTC B1A12:2B [CONNECTIVITY MASTER UNIT] .)
B1A20:13 Antenna amplifier signal circuit malfunction - - - C, D x (See DTC B1A20:13 [CONNECTIVITY MASTER UNIT (US)] .)
B1A20:2B Antenna amplifier signal circuit malfunction - - - C, D x (See DTC B1A20:2B [CONNECTIVITY MASTER UNIT (US)] .)
B1A21:13 FM antenna amplifier signal circuit malfunction - - - C, D x (See DTC B1A21:13 [CONNECTIVITY MASTER UNIT] .)
B1A21:2B FM antenna amplifier signal circuit malfunction - - - C, D x (See DTC B1A21:2B [CONNECTIVITY MASTER UNIT] .)
B1A30:2B Commander switch is stuck on -   - C x (See DTC B1A30:2B [CONNECTIVITY MASTER UNIT] .)
B1A30:49 Commander switch internal malfunction - - - C, D x (See DTC B1A30:49 [CONNECTIVITY MASTER UNIT] .)
B1A32:11 Microphone signal circuit malfunction - - - D x (See DTC B1A32:11 [CONNECTIVITY MASTER UNIT] .)
B1A32:12 Microphone signal circuit malfunction - - - D x (See DTC B1A32:12 [CONNECTIVITY MASTER UNIT] .)
B1A32:13 Microphone signal circuit malfunction - - - D x (See DTC B1A32:13 [CONNECTIVITY MASTER UNIT] .)
B1A32:2B Microphone signal circuit malfunction - - - D x (See DTC B1A32:2B [CONNECTIVITY MASTER UNIT] .)
B1A32:49 Microphone internal malfunction - - - C, D x (See DTC B1A32:49 [CONNECTIVITY MASTER UNIT] .)
B1A33:49 Remote tuner (RT) internal malfunction - - - C, D x (See DTC B1A33:49 [CONNECTIVITY MASTER UNIT] .)
B1A89:13 Sirius XM satellite radio antenna amplifier signal circuit malfunction - - - C x (See DTC B1A89:13 [CONNECTIVITY MASTER UNIT] .)
B1A89:2B Sirius XM satellite radio antenna amplifier signal circuit malfunction - - - C x (See DTC B1A89:2B [CONNECTIVITY MASTER UNIT] .)
B1A89:49 Sirius XM satellite radio antenna amplifier malfunction - - - C x (See DTC B1A89:49 [CONNECTIVITY MASTER UNIT] .)
U0079:00 Unit communication error (CAN) - x - C x (See DTC U0079:00 [CONNECTIVITY MASTER UNIT] .)
U0140:00 Communication error with body control module (BCM) - x - C x (See DTC U0140:00 [CONNECTIVITY MASTER UNIT] .)
U0162:00 Communication error with center display - x - C x (See DTC U0162:00 [CONNECTIVITY MASTER UNIT] .)
U0186:00 Communication error with audio amplifier - - - C x (See DTC U0186:00 [CONNECTIVITY MASTER UNIT] .)
U0186:02 Communication error with audio amplifier - - - C x (See DTC U0186:02 [CONNECTIVITY MASTER UNIT (US)] .)
U0186:08 Communication error with audio amplifier - - - C x (See DTC U0186:08 [CONNECTIVITY MASTER UNIT (US)] .)
U0198:00 Communication error with telematics communication unit - - - C x (See DTC U0198:00 [CONNECTIVITY MASTER UNIT] .)
U0264:00 Without parking assist system, without 360° VIEW monitor system
  • Communication error with rear mount camera With parking assist system
  • Communication error with parking assist unit (optical) With 360° VIEW monitor system
  • Communication error with 360° VIEW monitor control module
 - - - C x (See DTC U0264:00 [CONNECTIVITY MASTER UNIT] .)
U2141:00 Communication error with commander switch - x - C x (See DTC U2141:00 [CONNECTIVITY MASTER UNIT] .)
U2142:00 Communication error with microphone - x - C x (See DTC U2142:00 [CONNECTIVITY MASTER UNIT (US)] .)
U2145:02 Communication error with remote tuner (RT) - - - C x (See DTC U2145:02 [CONNECTIVITY MASTER UNIT] .)
U2145:08 Communication error with remote tuner (RT) - - - C x (See DTC U2145:08 [CONNECTIVITY MASTER UNIT] .)
U2300:54 Configuration data of body control module (BCM) not received - - - C x (See DTC U2300:54 [CONNECTIVITY MASTER UNIT] .)
U2300:55 Body control module (BCM) configuration not performed - - - C, D x (See DTC U2300:55 [CONNECTIVITY MASTER UNIT] .)
U2300:56 Configuration data of body control module (BCM) is invalid - - - C x (See DTC U2300:56 [CONNECTIVITY MASTER UNIT] .)
U2300:64 Configuration data of body control module (BCM) not matched - - - C x (See DTC U2300:64 [CONNECTIVITY MASTER UNIT] .)
U3000:42 Connectivity master unit (CMU) internal malfunction - x - C x (See DTC U3000:42 [CONNECTIVITY MASTER UNIT] .)
U3000:47 Connectivity master unit (CMU) internal malfunction - x - C x (See DTC U3000:47 [CONNECTIVITY MASTER UNIT] .)
U3000:49 Connectivity master unit (CMU) internal malfunction - x - C x (See DTC U3000:49 [CONNECTIVITY MASTER UNIT] .)
U3003:16 Connectivity master unit (CMU) low power supply voltage input - x - C x (See DTC U3003:16 [CONNECTIVITY MASTER UNIT (US)] .)
(1) C: CMDTC self test, D: ODDTC self test
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